Home / 1,021,887,324.62-1,410,205,125.78-551,988,853.17

Finding the Fourth Proportional to 1,021,887,324.62, 1,410,205,125.78 and 551,988,853.17

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Solution

The fourth proportional to 1,021,887,324.62, 1,410,205,125.78 and 551,988,853.17 is: 761,744,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,887,324.62 : 1,410,205,125.78 = 551,988,853.17 : x
  2. Step 2: Convert to fraction form
    1,021,887,324.62/1,410,205,125.78 = 551,988,853.17/x
  3. Step 3: Cross multiply
    1,021,887,324.62x = 1,410,205,125.78 × 551,988,853.17
  4. Step 4: Simplify right side
    1,021,887,324.62x = 778,417,510,113,757,696
  5. Step 5: Solve for x
    x = 778,417,510,113,757,696/1,021,887,324.62
  6. Step 6: Final answer
    x = 761,744,951.10

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Double scale
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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.