Home / 388,376,094.60-582,564,141.90-243,257,272.20

Finding the Fourth Proportional to 388,376,094.60, 582,564,141.90 and 243,257,272.20

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Solution

The fourth proportional to 388,376,094.60, 582,564,141.90 and 243,257,272.20 is: 364,885,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,376,094.60 : 582,564,141.90 = 243,257,272.20 : x
  2. Step 2: Convert to fraction form
    388,376,094.60/582,564,141.90 = 243,257,272.20/x
  3. Step 3: Cross multiply
    388,376,094.60x = 582,564,141.90 × 243,257,272.20
  4. Step 4: Simplify right side
    388,376,094.60x = 141,712,964,040,127,712
  5. Step 5: Solve for x
    x = 141,712,964,040,127,712/388,376,094.60
  6. Step 6: Final answer
    x = 364,885,908.30

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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.