Home / 832,355,419.20-1,248,155,215.20-314,613,787.20

Finding the Fourth Proportional to 832,355,419.20, 1,248,155,215.20 and 314,613,787.20

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Solution

The fourth proportional to 832,355,419.20, 1,248,155,215.20 and 314,613,787.20 is: 471,777,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,355,419.20 : 1,248,155,215.20 = 314,613,787.20 : x
  2. Step 2: Convert to fraction form
    832,355,419.20/1,248,155,215.20 = 314,613,787.20/x
  3. Step 3: Cross multiply
    832,355,419.20x = 1,248,155,215.20 × 314,613,787.20
  4. Step 4: Simplify right side
    832,355,419.20x = 392,686,839,267,502,976
  5. Step 5: Solve for x
    x = 392,686,839,267,502,976/832,355,419.20
  6. Step 6: Final answer
    x = 471,777,836.98

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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.