Home / 831,730,073.90-1,247,595,110.85-218,376,301.10

Finding the Fourth Proportional to 831,730,073.90, 1,247,595,110.85 and 218,376,301.10

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Solution

The fourth proportional to 831,730,073.90, 1,247,595,110.85 and 218,376,301.10 is: 327,564,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,730,073.90 : 1,247,595,110.85 = 218,376,301.10 : x
  2. Step 2: Convert to fraction form
    831,730,073.90/1,247,595,110.85 = 218,376,301.10/x
  3. Step 3: Cross multiply
    831,730,073.90x = 1,247,595,110.85 × 218,376,301.10
  4. Step 4: Simplify right side
    831,730,073.90x = 272,445,205,577,867,456
  5. Step 5: Solve for x
    x = 272,445,205,577,867,456/831,730,073.90
  6. Step 6: Final answer
    x = 327,564,451.65

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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.