Home / 1,343,058,781.52-1,853,428,471.22-778,878,167.15

Finding the Fourth Proportional to 1,343,058,781.52, 1,853,428,471.22 and 778,878,167.15

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Solution

The fourth proportional to 1,343,058,781.52, 1,853,428,471.22 and 778,878,167.15 is: 1,074,856,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,058,781.52 : 1,853,428,471.22 = 778,878,167.15 : x
  2. Step 2: Convert to fraction form
    1,343,058,781.52/1,853,428,471.22 = 778,878,167.15/x
  3. Step 3: Cross multiply
    1,343,058,781.52x = 1,853,428,471.22 × 778,878,167.15
  4. Step 4: Simplify right side
    1,343,058,781.52x = 1,443,594,970,614,041,088
  5. Step 5: Solve for x
    x = 1,443,594,970,614,041,088/1,343,058,781.52
  6. Step 6: Final answer
    x = 1,074,856,134.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.