Home / 529,885,737.90-731,117,230.38-445,433,938.20

Finding the Fourth Proportional to 529,885,737.90, 731,117,230.38 and 445,433,938.20

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Solution

The fourth proportional to 529,885,737.90, 731,117,230.38 and 445,433,938.20 is: 614,593,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,885,737.90 : 731,117,230.38 = 445,433,938.20 : x
  2. Step 2: Convert to fraction form
    529,885,737.90/731,117,230.38 = 445,433,938.20/x
  3. Step 3: Cross multiply
    529,885,737.90x = 731,117,230.38 × 445,433,938.20
  4. Step 4: Simplify right side
    529,885,737.90x = 325,664,427,214,040,064
  5. Step 5: Solve for x
    x = 325,664,427,214,040,064/529,885,737.90
  6. Step 6: Final answer
    x = 614,593,682.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.