Home / 20,720,360,619.80-31,080,540,929.70-14,516,530,962.20

Finding the Fourth Proportional to 20,720,360,619.80, 31,080,540,929.70 and 14,516,530,962.20

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Solution

The fourth proportional to 20,720,360,619.80, 31,080,540,929.70 and 14,516,530,962.20 is: 21,774,796,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,720,360,619.80 : 31,080,540,929.70 = 14,516,530,962.20 : x
  2. Step 2: Convert to fraction form
    20,720,360,619.80/31,080,540,929.70 = 14,516,530,962.20/x
  3. Step 3: Cross multiply
    20,720,360,619.80x = 31,080,540,929.70 × 14,516,530,962.20
  4. Step 4: Simplify right side
    20,720,360,619.80x = 451,181,634,727,914,438,656
  5. Step 5: Solve for x
    x = 451,181,634,727,914,438,656/20,720,360,619.80
  6. Step 6: Final answer
    x = 21,774,796,443.30

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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.