Home / 690,372,521.82-952,714,043.67-372,832,737.17

Finding the Fourth Proportional to 690,372,521.82, 952,714,043.67 and 372,832,737.17

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Solution

The fourth proportional to 690,372,521.82, 952,714,043.67 and 372,832,737.17 is: 514,509,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,372,521.82 : 952,714,043.67 = 372,832,737.17 : x
  2. Step 2: Convert to fraction form
    690,372,521.82/952,714,043.67 = 372,832,737.17/x
  3. Step 3: Cross multiply
    690,372,521.82x = 952,714,043.67 × 372,832,737.17
  4. Step 4: Simplify right side
    690,372,521.82x = 355,202,984,644,166,784
  5. Step 5: Solve for x
    x = 355,202,984,644,166,784/690,372,521.82
  6. Step 6: Final answer
    x = 514,509,157.62

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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.