Home / 885,737,489.10-1,328,606,233.65-639,574,017.90

Finding the Fourth Proportional to 885,737,489.10, 1,328,606,233.65 and 639,574,017.90

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Solution

The fourth proportional to 885,737,489.10, 1,328,606,233.65 and 639,574,017.90 is: 959,361,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,737,489.10 : 1,328,606,233.65 = 639,574,017.90 : x
  2. Step 2: Convert to fraction form
    885,737,489.10/1,328,606,233.65 = 639,574,017.90/x
  3. Step 3: Cross multiply
    885,737,489.10x = 1,328,606,233.65 × 639,574,017.90
  4. Step 4: Simplify right side
    885,737,489.10x = 849,742,027,062,516,736
  5. Step 5: Solve for x
    x = 849,742,027,062,516,736/885,737,489.10
  6. Step 6: Final answer
    x = 959,361,026.85

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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.