Home / 845,513,232.60-1,267,854,916.68-347,433,516.30

Finding the Fourth Proportional to 845,513,232.60, 1,267,854,916.68 and 347,433,516.30

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Solution

The fourth proportional to 845,513,232.60, 1,267,854,916.68 and 347,433,516.30 is: 520,979,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,513,232.60 : 1,267,854,916.68 = 347,433,516.30 : x
  2. Step 2: Convert to fraction form
    845,513,232.60/1,267,854,916.68 = 347,433,516.30/x
  3. Step 3: Cross multiply
    845,513,232.60x = 1,267,854,916.68 × 347,433,516.30
  4. Step 4: Simplify right side
    845,513,232.60x = 440,495,291,860,375,936
  5. Step 5: Solve for x
    x = 440,495,291,860,375,936/845,513,232.60
  6. Step 6: Final answer
    x = 520,979,772.85

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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.