Home / 1,601,338,259.70-2,402,007,389.55-981,465,477.30

Finding the Fourth Proportional to 1,601,338,259.70, 2,402,007,389.55 and 981,465,477.30

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Solution

The fourth proportional to 1,601,338,259.70, 2,402,007,389.55 and 981,465,477.30 is: 1,472,198,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,338,259.70 : 2,402,007,389.55 = 981,465,477.30 : x
  2. Step 2: Convert to fraction form
    1,601,338,259.70/2,402,007,389.55 = 981,465,477.30/x
  3. Step 3: Cross multiply
    1,601,338,259.70x = 2,402,007,389.55 × 981,465,477.30
  4. Step 4: Simplify right side
    1,601,338,259.70x = 2,357,487,329,062,817,792
  5. Step 5: Solve for x
    x = 2,357,487,329,062,817,792/1,601,338,259.70
  6. Step 6: Final answer
    x = 1,472,198,215.95

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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.