Home / 719,714,353.92-1,079,969,890.50-351,252,358.53

Finding the Fourth Proportional to 719,714,353.92, 1,079,969,890.50 and 351,252,358.53

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Solution

The fourth proportional to 719,714,353.92, 1,079,969,890.50 and 351,252,358.53 is: 527,072,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,714,353.92 : 1,079,969,890.50 = 351,252,358.53 : x
  2. Step 2: Convert to fraction form
    719,714,353.92/1,079,969,890.50 = 351,252,358.53/x
  3. Step 3: Cross multiply
    719,714,353.92x = 1,079,969,890.50 × 351,252,358.53
  4. Step 4: Simplify right side
    719,714,353.92x = 379,341,971,179,510,784
  5. Step 5: Solve for x
    x = 379,341,971,179,510,784/719,714,353.92
  6. Step 6: Final answer
    x = 527,072,954.87

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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.