Home / 710,134,545.54-980,015,937.89-396,868,750.29

Finding the Fourth Proportional to 710,134,545.54, 980,015,937.89 and 396,868,750.29

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Solution

The fourth proportional to 710,134,545.54, 980,015,937.89 and 396,868,750.29 is: 547,695,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,134,545.54 : 980,015,937.89 = 396,868,750.29 : x
  2. Step 2: Convert to fraction form
    710,134,545.54/980,015,937.89 = 396,868,750.29/x
  3. Step 3: Cross multiply
    710,134,545.54x = 980,015,937.89 × 396,868,750.29
  4. Step 4: Simplify right side
    710,134,545.54x = 388,937,700,532,702,208
  5. Step 5: Solve for x
    x = 388,937,700,532,702,208/710,134,545.54
  6. Step 6: Final answer
    x = 547,695,789.45

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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.