Home / 710,134,551.98-980,015,946.80-396,868,756.73

Finding the Fourth Proportional to 710,134,551.98, 980,015,946.80 and 396,868,756.73

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Solution

The fourth proportional to 710,134,551.98, 980,015,946.80 and 396,868,756.73 is: 547,695,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,134,551.98 : 980,015,946.80 = 396,868,756.73 : x
  2. Step 2: Convert to fraction form
    710,134,551.98/980,015,946.80 = 396,868,756.73/x
  3. Step 3: Cross multiply
    710,134,551.98x = 980,015,946.80 × 396,868,756.73
  4. Step 4: Simplify right side
    710,134,551.98x = 388,937,710,375,205,376
  5. Step 5: Solve for x
    x = 388,937,710,375,205,376/710,134,551.98
  6. Step 6: Final answer
    x = 547,695,798.34

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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.