Home / 710,134,552.33-980,015,947.29-396,868,757.09

Finding the Fourth Proportional to 710,134,552.33, 980,015,947.29 and 396,868,757.09

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Solution

The fourth proportional to 710,134,552.33, 980,015,947.29 and 396,868,757.09 is: 547,695,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,134,552.33 : 980,015,947.29 = 396,868,757.09 : x
  2. Step 2: Convert to fraction form
    710,134,552.33/980,015,947.29 = 396,868,757.09/x
  3. Step 3: Cross multiply
    710,134,552.33x = 980,015,947.29 × 396,868,757.09
  4. Step 4: Simplify right side
    710,134,552.33x = 388,937,710,924,461,120
  5. Step 5: Solve for x
    x = 388,937,710,924,461,120/710,134,552.33
  6. Step 6: Final answer
    x = 547,695,798.85

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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.