Home / 832,359,139.20-1,248,160,795.20-314,617,507.20

Finding the Fourth Proportional to 832,359,139.20, 1,248,160,795.20 and 314,617,507.20

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Solution

The fourth proportional to 832,359,139.20, 1,248,160,795.20 and 314,617,507.20 is: 471,783,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,359,139.20 : 1,248,160,795.20 = 314,617,507.20 : x
  2. Step 2: Convert to fraction form
    832,359,139.20/1,248,160,795.20 = 314,617,507.20/x
  3. Step 3: Cross multiply
    832,359,139.20x = 1,248,160,795.20 × 314,617,507.20
  4. Step 4: Simplify right side
    832,359,139.20x = 392,693,237,970,593,728
  5. Step 5: Solve for x
    x = 392,693,237,970,593,728/832,359,139.20
  6. Step 6: Final answer
    x = 471,783,415.93

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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.