Home / 1,563,446,925.88-2,345,251,103.76-398,925,607.48

Finding the Fourth Proportional to 1,563,446,925.88, 2,345,251,103.76 and 398,925,607.48

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Solution

The fourth proportional to 1,563,446,925.88, 2,345,251,103.76 and 398,925,607.48 is: 598,409,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,446,925.88 : 2,345,251,103.76 = 398,925,607.48 : x
  2. Step 2: Convert to fraction form
    1,563,446,925.88/2,345,251,103.76 = 398,925,607.48/x
  3. Step 3: Cross multiply
    1,563,446,925.88x = 2,345,251,103.76 × 398,925,607.48
  4. Step 4: Simplify right side
    1,563,446,925.88x = 935,580,721,260,598,656
  5. Step 5: Solve for x
    x = 935,580,721,260,598,656/1,563,446,925.88
  6. Step 6: Final answer
    x = 598,409,006.26

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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.