Home / 814,169,834.37-1,123,553,521.13-442,890,980.01

Finding the Fourth Proportional to 814,169,834.37, 1,123,553,521.13 and 442,890,980.01

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Solution

The fourth proportional to 814,169,834.37, 1,123,553,521.13 and 442,890,980.01 is: 611,189,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,169,834.37 : 1,123,553,521.13 = 442,890,980.01 : x
  2. Step 2: Convert to fraction form
    814,169,834.37/1,123,553,521.13 = 442,890,980.01/x
  3. Step 3: Cross multiply
    814,169,834.37x = 1,123,553,521.13 × 442,890,980.01
  4. Step 4: Simplify right side
    814,169,834.37x = 497,611,720,064,737,472
  5. Step 5: Solve for x
    x = 497,611,720,064,737,472/814,169,834.37
  6. Step 6: Final answer
    x = 611,189,089.87

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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.