Home / 864,650,885.07-1,296,781,832.01-397,864,554.87

Finding the Fourth Proportional to 864,650,885.07, 1,296,781,832.01 and 397,864,554.87

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Solution

The fourth proportional to 864,650,885.07, 1,296,781,832.01 and 397,864,554.87 is: 596,707,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,650,885.07 : 1,296,781,832.01 = 397,864,554.87 : x
  2. Step 2: Convert to fraction form
    864,650,885.07/1,296,781,832.01 = 397,864,554.87/x
  3. Step 3: Cross multiply
    864,650,885.07x = 1,296,781,832.01 × 397,864,554.87
  4. Step 4: Simplify right side
    864,650,885.07x = 515,943,526,356,161,792
  5. Step 5: Solve for x
    x = 515,943,526,356,161,792/864,650,885.07
  6. Step 6: Final answer
    x = 596,707,336.18

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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.