Home / 1,377,474,519.57-1,900,896,683.54-774,644,963.92

Finding the Fourth Proportional to 1,377,474,519.57, 1,900,896,683.54 and 774,644,963.92

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Solution

The fourth proportional to 1,377,474,519.57, 1,900,896,683.54 and 774,644,963.92 is: 1,068,999,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,474,519.57 : 1,900,896,683.54 = 774,644,963.92 : x
  2. Step 2: Convert to fraction form
    1,377,474,519.57/1,900,896,683.54 = 774,644,963.92/x
  3. Step 3: Cross multiply
    1,377,474,519.57x = 1,900,896,683.54 × 774,644,963.92
  4. Step 4: Simplify right side
    1,377,474,519.57x = 1,472,520,042,842,905,600
  5. Step 5: Solve for x
    x = 1,472,520,042,842,905,600/1,377,474,519.57
  6. Step 6: Final answer
    x = 1,068,999,841.32

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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.