Home / 20,720,360,666.80-31,080,541,000.20-14,516,531,009.20

Finding the Fourth Proportional to 20,720,360,666.80, 31,080,541,000.20 and 14,516,531,009.20

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Solution

The fourth proportional to 20,720,360,666.80, 31,080,541,000.20 and 14,516,531,009.20 is: 21,774,796,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,720,360,666.80 : 31,080,541,000.20 = 14,516,531,009.20 : x
  2. Step 2: Convert to fraction form
    20,720,360,666.80/31,080,541,000.20 = 14,516,531,009.20/x
  3. Step 3: Cross multiply
    20,720,360,666.80x = 31,080,541,000.20 × 14,516,531,009.20
  4. Step 4: Simplify right side
    20,720,360,666.80x = 451,181,637,212,115,304,448
  5. Step 5: Solve for x
    x = 451,181,637,212,115,304,448/20,720,360,666.80
  6. Step 6: Final answer
    x = 21,774,796,513.80

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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.