Home / 1,293,786,032.28-1,785,742,129.98-737,198,031.48

Finding the Fourth Proportional to 1,293,786,032.28, 1,785,742,129.98 and 737,198,031.48

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Solution

The fourth proportional to 1,293,786,032.28, 1,785,742,129.98 and 737,198,031.48 is: 1,017,514,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,786,032.28 : 1,785,742,129.98 = 737,198,031.48 : x
  2. Step 2: Convert to fraction form
    1,293,786,032.28/1,785,742,129.98 = 737,198,031.48/x
  3. Step 3: Cross multiply
    1,293,786,032.28x = 1,785,742,129.98 × 737,198,031.48
  4. Step 4: Simplify right side
    1,293,786,032.28x = 1,316,445,582,952,158,464
  5. Step 5: Solve for x
    x = 1,316,445,582,952,158,464/1,293,786,032.28
  6. Step 6: Final answer
    x = 1,017,514,140.75

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Double scale
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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.