Home / 3,640,508,877.42-5,023,866,484.35-1,969,721,359.02

Finding the Fourth Proportional to 3,640,508,877.42, 5,023,866,484.35 and 1,969,721,359.02

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Solution

The fourth proportional to 3,640,508,877.42, 5,023,866,484.35 and 1,969,721,359.02 is: 2,718,196,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,508,877.42 : 5,023,866,484.35 = 1,969,721,359.02 : x
  2. Step 2: Convert to fraction form
    3,640,508,877.42/5,023,866,484.35 = 1,969,721,359.02/x
  3. Step 3: Cross multiply
    3,640,508,877.42x = 5,023,866,484.35 × 1,969,721,359.02
  4. Step 4: Simplify right side
    3,640,508,877.42x = 9,895,617,119,088,912,384
  5. Step 5: Solve for x
    x = 9,895,617,119,088,912,384/3,640,508,877.42
  6. Step 6: Final answer
    x = 2,718,196,123.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.