Home / 1,681,514,580.30-2,522,271,870.45-981,287,918.70

Finding the Fourth Proportional to 1,681,514,580.30, 2,522,271,870.45 and 981,287,918.70

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Solution

The fourth proportional to 1,681,514,580.30, 2,522,271,870.45 and 981,287,918.70 is: 1,471,931,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,514,580.30 : 2,522,271,870.45 = 981,287,918.70 : x
  2. Step 2: Convert to fraction form
    1,681,514,580.30/2,522,271,870.45 = 981,287,918.70/x
  3. Step 3: Cross multiply
    1,681,514,580.30x = 2,522,271,870.45 × 981,287,918.70
  4. Step 4: Simplify right side
    1,681,514,580.30x = 2,475,074,914,149,436,416
  5. Step 5: Solve for x
    x = 2,475,074,914,149,436,416/1,681,514,580.30
  6. Step 6: Final answer
    x = 1,471,931,878.05

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Double scale
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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.