Home / 64,513,367,639.80-96,770,051,459.70-20,351,895,998.20

Finding the Fourth Proportional to 64,513,367,639.80, 96,770,051,459.70 and 20,351,895,998.20

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Solution

The fourth proportional to 64,513,367,639.80, 96,770,051,459.70 and 20,351,895,998.20 is: 30,527,843,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,367,639.80 : 96,770,051,459.70 = 20,351,895,998.20 : x
  2. Step 2: Convert to fraction form
    64,513,367,639.80/96,770,051,459.70 = 20,351,895,998.20/x
  3. Step 3: Cross multiply
    64,513,367,639.80x = 96,770,051,459.70 × 20,351,895,998.20
  4. Step 4: Simplify right side
    64,513,367,639.80x = 1,969,454,023,048,276,475,904
  5. Step 5: Solve for x
    x = 1,969,454,023,048,276,475,904/64,513,367,639.80
  6. Step 6: Final answer
    x = 30,527,843,997.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.