Home / 854,246,726.13-1,280,680,527.26-785,294,207.82

Finding the Fourth Proportional to 854,246,726.13, 1,280,680,527.26 and 785,294,207.82

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Solution

The fourth proportional to 854,246,726.13, 1,280,680,527.26 and 785,294,207.82 is: 1,177,307,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,246,726.13 : 1,280,680,527.26 = 785,294,207.82 : x
  2. Step 2: Convert to fraction form
    854,246,726.13/1,280,680,527.26 = 785,294,207.82/x
  3. Step 3: Cross multiply
    854,246,726.13x = 1,280,680,527.26 × 785,294,207.82
  4. Step 4: Simplify right side
    854,246,726.13x = 1,005,711,000,122,707,328
  5. Step 5: Solve for x
    x = 1,005,711,000,122,707,328/854,246,726.13
  6. Step 6: Final answer
    x = 1,177,307,409.40

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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.