Home / 865,956,347.17-1,299,055,259.63-267,743,041.54

Finding the Fourth Proportional to 865,956,347.17, 1,299,055,259.63 and 267,743,041.54

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Solution

The fourth proportional to 865,956,347.17, 1,299,055,259.63 and 267,743,041.54 is: 401,651,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,956,347.17 : 1,299,055,259.63 = 267,743,041.54 : x
  2. Step 2: Convert to fraction form
    865,956,347.17/1,299,055,259.63 = 267,743,041.54/x
  3. Step 3: Cross multiply
    865,956,347.17x = 1,299,055,259.63 × 267,743,041.54
  4. Step 4: Simplify right side
    865,956,347.17x = 347,813,006,341,870,592
  5. Step 5: Solve for x
    x = 347,813,006,341,870,592/865,956,347.17
  6. Step 6: Final answer
    x = 401,651,893.28

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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.