Home / 20,720,360,690.80-31,080,541,036.20-14,516,531,033.20

Finding the Fourth Proportional to 20,720,360,690.80, 31,080,541,036.20 and 14,516,531,033.20

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Solution

The fourth proportional to 20,720,360,690.80, 31,080,541,036.20 and 14,516,531,033.20 is: 21,774,796,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,720,360,690.80 : 31,080,541,036.20 = 14,516,531,033.20 : x
  2. Step 2: Convert to fraction form
    20,720,360,690.80/31,080,541,036.20 = 14,516,531,033.20/x
  3. Step 3: Cross multiply
    20,720,360,690.80x = 31,080,541,036.20 × 14,516,531,033.20
  4. Step 4: Simplify right side
    20,720,360,690.80x = 451,181,638,480,643,424,256
  5. Step 5: Solve for x
    x = 451,181,638,480,643,424,256/20,720,360,690.80
  6. Step 6: Final answer
    x = 21,774,796,549.80

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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.