Home / 1,601,338,426.20-2,402,007,639.30-981,465,643.80

Finding the Fourth Proportional to 1,601,338,426.20, 2,402,007,639.30 and 981,465,643.80

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Solution

The fourth proportional to 1,601,338,426.20, 2,402,007,639.30 and 981,465,643.80 is: 1,472,198,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,338,426.20 : 2,402,007,639.30 = 981,465,643.80 : x
  2. Step 2: Convert to fraction form
    1,601,338,426.20/2,402,007,639.30 = 981,465,643.80/x
  3. Step 3: Cross multiply
    1,601,338,426.20x = 2,402,007,639.30 × 981,465,643.80
  4. Step 4: Simplify right side
    1,601,338,426.20x = 2,357,487,974,118,092,800
  5. Step 5: Solve for x
    x = 2,357,487,974,118,092,800/1,601,338,426.20
  6. Step 6: Final answer
    x = 1,472,198,465.70

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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.