Home / 1,149,039,010.80-1,723,558,516.20-421,933,244.40

Finding the Fourth Proportional to 1,149,039,010.80, 1,723,558,516.20 and 421,933,244.40

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Solution

The fourth proportional to 1,149,039,010.80, 1,723,558,516.20 and 421,933,244.40 is: 632,899,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,039,010.80 : 1,723,558,516.20 = 421,933,244.40 : x
  2. Step 2: Convert to fraction form
    1,149,039,010.80/1,723,558,516.20 = 421,933,244.40/x
  3. Step 3: Cross multiply
    1,149,039,010.80x = 1,723,558,516.20 × 421,933,244.40
  4. Step 4: Simplify right side
    1,149,039,010.80x = 727,226,636,653,515,904
  5. Step 5: Solve for x
    x = 727,226,636,653,515,904/1,149,039,010.80
  6. Step 6: Final answer
    x = 632,899,866.60

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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.