Home / 388,376,097.10-582,564,145.65-243,257,274.70

Finding the Fourth Proportional to 388,376,097.10, 582,564,145.65 and 243,257,274.70

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Solution

The fourth proportional to 388,376,097.10, 582,564,145.65 and 243,257,274.70 is: 364,885,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,376,097.10 : 582,564,145.65 = 243,257,274.70 : x
  2. Step 2: Convert to fraction form
    388,376,097.10/582,564,145.65 = 243,257,274.70/x
  3. Step 3: Cross multiply
    388,376,097.10x = 582,564,145.65 × 243,257,274.70
  4. Step 4: Simplify right side
    388,376,097.10x = 141,712,966,408,752,848
  5. Step 5: Solve for x
    x = 141,712,966,408,752,848/388,376,097.10
  6. Step 6: Final answer
    x = 364,885,912.05

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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.