Home / 8,080,967,533.80-12,121,451,300.70-5,323,709,908.20

Finding the Fourth Proportional to 8,080,967,533.80, 12,121,451,300.70 and 5,323,709,908.20

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Solution

The fourth proportional to 8,080,967,533.80, 12,121,451,300.70 and 5,323,709,908.20 is: 7,985,564,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080,967,533.80 : 12,121,451,300.70 = 5,323,709,908.20 : x
  2. Step 2: Convert to fraction form
    8,080,967,533.80/12,121,451,300.70 = 5,323,709,908.20/x
  3. Step 3: Cross multiply
    8,080,967,533.80x = 12,121,451,300.70 × 5,323,709,908.20
  4. Step 4: Simplify right side
    8,080,967,533.80x = 64,531,090,391,300,366,336
  5. Step 5: Solve for x
    x = 64,531,090,391,300,366,336/8,080,967,533.80
  6. Step 6: Final answer
    x = 7,985,564,862.30

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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.