Home / 391,095,777.18-539,578,691.16-242,362,630.10

Finding the Fourth Proportional to 391,095,777.18, 539,578,691.16 and 242,362,630.10

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Solution

The fourth proportional to 391,095,777.18, 539,578,691.16 and 242,362,630.10 is: 334,377,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,095,777.18 : 539,578,691.16 = 242,362,630.10 : x
  2. Step 2: Convert to fraction form
    391,095,777.18/539,578,691.16 = 242,362,630.10/x
  3. Step 3: Cross multiply
    391,095,777.18x = 539,578,691.16 × 242,362,630.10
  4. Step 4: Simplify right side
    391,095,777.18x = 130,773,710,735,453,216
  5. Step 5: Solve for x
    x = 130,773,710,735,453,216/391,095,777.18
  6. Step 6: Final answer
    x = 334,377,710.95

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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.