Home / 449,894,905.60-620,605,035.63-261,702,013.76

Finding the Fourth Proportional to 449,894,905.60, 620,605,035.63 and 261,702,013.76

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Solution

The fourth proportional to 449,894,905.60, 620,605,035.63 and 261,702,013.76 is: 361,003,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,894,905.60 : 620,605,035.63 = 261,702,013.76 : x
  2. Step 2: Convert to fraction form
    449,894,905.60/620,605,035.63 = 261,702,013.76/x
  3. Step 3: Cross multiply
    449,894,905.60x = 620,605,035.63 × 261,702,013.76
  4. Step 4: Simplify right side
    449,894,905.60x = 162,413,587,573,967,552
  5. Step 5: Solve for x
    x = 162,413,587,573,967,552/449,894,905.60
  6. Step 6: Final answer
    x = 361,003,393.35

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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.