Home / 2,516,078,259.36-3,472,198,521-1,387,023,243.72

Finding the Fourth Proportional to 2,516,078,259.36, 3,472,198,521 and 1,387,023,243.72

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Solution

The fourth proportional to 2,516,078,259.36, 3,472,198,521 and 1,387,023,243.72 is: 1,914,097,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516,078,259.36 : 3,472,198,521 = 1,387,023,243.72 : x
  2. Step 2: Convert to fraction form
    2,516,078,259.36/3,472,198,521 = 1,387,023,243.72/x
  3. Step 3: Cross multiply
    2,516,078,259.36x = 3,472,198,521 × 1,387,023,243.72
  4. Step 4: Simplify right side
    2,516,078,259.36x = 4,816,020,055,437,206,528
  5. Step 5: Solve for x
    x = 4,816,020,055,437,206,528/2,516,078,259.36
  6. Step 6: Final answer
    x = 1,914,097,877.33

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Double scale
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1.5x scale

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.