Home / 621,558,430.24-857,546,927.40-442,970,449.96

Finding the Fourth Proportional to 621,558,430.24, 857,546,927.40 and 442,970,449.96

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Solution

The fourth proportional to 621,558,430.24, 857,546,927.40 and 442,970,449.96 is: 611,154,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,558,430.24 : 857,546,927.40 = 442,970,449.96 : x
  2. Step 2: Convert to fraction form
    621,558,430.24/857,546,927.40 = 442,970,449.96/x
  3. Step 3: Cross multiply
    621,558,430.24x = 857,546,927.40 × 442,970,449.96
  4. Step 4: Simplify right side
    621,558,430.24x = 379,867,948,292,193,408
  5. Step 5: Solve for x
    x = 379,867,948,292,193,408/621,558,430.24
  6. Step 6: Final answer
    x = 611,154,044.11

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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.