Home / 514,946,003.90-772,419,005.85-191,763,002.30

Finding the Fourth Proportional to 514,946,003.90, 772,419,005.85 and 191,763,002.30

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Solution

The fourth proportional to 514,946,003.90, 772,419,005.85 and 191,763,002.30 is: 287,644,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,946,003.90 : 772,419,005.85 = 191,763,002.30 : x
  2. Step 2: Convert to fraction form
    514,946,003.90/772,419,005.85 = 191,763,002.30/x
  3. Step 3: Cross multiply
    514,946,003.90x = 772,419,005.85 × 191,763,002.30
  4. Step 4: Simplify right side
    514,946,003.90x = 148,121,387,595,377,280
  5. Step 5: Solve for x
    x = 148,121,387,595,377,280/514,946,003.90
  6. Step 6: Final answer
    x = 287,644,503.45

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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.