Home / 556,116,645.30-834,174,967.95-427,374,078.90

Finding the Fourth Proportional to 556,116,645.30, 834,174,967.95 and 427,374,078.90

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Solution

The fourth proportional to 556,116,645.30, 834,174,967.95 and 427,374,078.90 is: 641,061,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,116,645.30 : 834,174,967.95 = 427,374,078.90 : x
  2. Step 2: Convert to fraction form
    556,116,645.30/834,174,967.95 = 427,374,078.90/x
  3. Step 3: Cross multiply
    556,116,645.30x = 834,174,967.95 × 427,374,078.90
  4. Step 4: Simplify right side
    556,116,645.30x = 356,504,758,569,068,288
  5. Step 5: Solve for x
    x = 356,504,758,569,068,288/556,116,645.30
  6. Step 6: Final answer
    x = 641,061,118.35

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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.