Home / 1,681,514,664.30-2,522,271,996.45-981,288,002.70

Finding the Fourth Proportional to 1,681,514,664.30, 2,522,271,996.45 and 981,288,002.70

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Solution

The fourth proportional to 1,681,514,664.30, 2,522,271,996.45 and 981,288,002.70 is: 1,471,932,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,514,664.30 : 2,522,271,996.45 = 981,288,002.70 : x
  2. Step 2: Convert to fraction form
    1,681,514,664.30/2,522,271,996.45 = 981,288,002.70/x
  3. Step 3: Cross multiply
    1,681,514,664.30x = 2,522,271,996.45 × 981,288,002.70
  4. Step 4: Simplify right side
    1,681,514,664.30x = 2,475,075,249,662,561,792
  5. Step 5: Solve for x
    x = 2,475,075,249,662,561,792/1,681,514,664.30
  6. Step 6: Final answer
    x = 1,471,932,004.05

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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.