Home / 388,376,096.10-582,564,144.15-243,257,273.70

Finding the Fourth Proportional to 388,376,096.10, 582,564,144.15 and 243,257,273.70

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Solution

The fourth proportional to 388,376,096.10, 582,564,144.15 and 243,257,273.70 is: 364,885,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,376,096.10 : 582,564,144.15 = 243,257,273.70 : x
  2. Step 2: Convert to fraction form
    388,376,096.10/582,564,144.15 = 243,257,273.70/x
  3. Step 3: Cross multiply
    388,376,096.10x = 582,564,144.15 × 243,257,273.70
  4. Step 4: Simplify right side
    388,376,096.10x = 141,712,965,461,302,784
  5. Step 5: Solve for x
    x = 141,712,965,461,302,784/388,376,096.10
  6. Step 6: Final answer
    x = 364,885,910.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.