Home / 868,255,739.34-1,302,515,878.77-540,466,079.82

Finding the Fourth Proportional to 868,255,739.34, 1,302,515,878.77 and 540,466,079.82

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Solution

The fourth proportional to 868,255,739.34, 1,302,515,878.77 and 540,466,079.82 is: 810,781,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,255,739.34 : 1,302,515,878.77 = 540,466,079.82 : x
  2. Step 2: Convert to fraction form
    868,255,739.34/1,302,515,878.77 = 540,466,079.82/x
  3. Step 3: Cross multiply
    868,255,739.34x = 1,302,515,878.77 × 540,466,079.82
  4. Step 4: Simplify right side
    868,255,739.34x = 703,965,650,902,124,288
  5. Step 5: Solve for x
    x = 703,965,650,902,124,288/868,255,739.34
  6. Step 6: Final answer
    x = 810,781,454.13

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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.