Home / 782,035,028.64-1,079,088,488.64-451,946,472.48

Finding the Fourth Proportional to 782,035,028.64, 1,079,088,488.64 and 451,946,472.48

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Solution

The fourth proportional to 782,035,028.64, 1,079,088,488.64 and 451,946,472.48 is: 623,616,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,035,028.64 : 1,079,088,488.64 = 451,946,472.48 : x
  2. Step 2: Convert to fraction form
    782,035,028.64/1,079,088,488.64 = 451,946,472.48/x
  3. Step 3: Cross multiply
    782,035,028.64x = 1,079,088,488.64 × 451,946,472.48
  4. Step 4: Simplify right side
    782,035,028.64x = 487,690,235,934,622,592
  5. Step 5: Solve for x
    x = 487,690,235,934,622,592/782,035,028.64
  6. Step 6: Final answer
    x = 623,616,868.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.