Home / 710,134,551.73-980,015,946.45-396,868,756.47

Finding the Fourth Proportional to 710,134,551.73, 980,015,946.45 and 396,868,756.47

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Solution

The fourth proportional to 710,134,551.73, 980,015,946.45 and 396,868,756.47 is: 547,695,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,134,551.73 : 980,015,946.45 = 396,868,756.47 : x
  2. Step 2: Convert to fraction form
    710,134,551.73/980,015,946.45 = 396,868,756.47/x
  3. Step 3: Cross multiply
    710,134,551.73x = 980,015,946.45 × 396,868,756.47
  4. Step 4: Simplify right side
    710,134,551.73x = 388,937,709,988,381,632
  5. Step 5: Solve for x
    x = 388,937,709,988,381,632/710,134,551.73
  6. Step 6: Final answer
    x = 547,695,797.99

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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.