Home / 813,050,605.72-1,219,573,495.14-230,785,343.92

Finding the Fourth Proportional to 813,050,605.72, 1,219,573,495.14 and 230,785,343.92

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Solution

The fourth proportional to 813,050,605.72, 1,219,573,495.14 and 230,785,343.92 is: 346,177,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,050,605.72 : 1,219,573,495.14 = 230,785,343.92 : x
  2. Step 2: Convert to fraction form
    813,050,605.72/1,219,573,495.14 = 230,785,343.92/x
  3. Step 3: Cross multiply
    813,050,605.72x = 1,219,573,495.14 × 230,785,343.92
  4. Step 4: Simplify right side
    813,050,605.72x = 281,459,688,511,601,344
  5. Step 5: Solve for x
    x = 281,459,688,511,601,344/813,050,605.72
  6. Step 6: Final answer
    x = 346,177,330.82

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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.