Home / 1,681,514,614.80-2,522,271,922.20-981,287,953.20

Finding the Fourth Proportional to 1,681,514,614.80, 2,522,271,922.20 and 981,287,953.20

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Solution

The fourth proportional to 1,681,514,614.80, 2,522,271,922.20 and 981,287,953.20 is: 1,471,931,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,514,614.80 : 2,522,271,922.20 = 981,287,953.20 : x
  2. Step 2: Convert to fraction form
    1,681,514,614.80/2,522,271,922.20 = 981,287,953.20/x
  3. Step 3: Cross multiply
    1,681,514,614.80x = 2,522,271,922.20 × 981,287,953.20
  4. Step 4: Simplify right side
    1,681,514,614.80x = 2,475,075,051,949,467,648
  5. Step 5: Solve for x
    x = 2,475,075,051,949,467,648/1,681,514,614.80
  6. Step 6: Final answer
    x = 1,471,931,929.80

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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.