Home / 1,601,338,538.70-2,402,007,808.05-981,465,756.30

Finding the Fourth Proportional to 1,601,338,538.70, 2,402,007,808.05 and 981,465,756.30

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Solution

The fourth proportional to 1,601,338,538.70, 2,402,007,808.05 and 981,465,756.30 is: 1,472,198,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,338,538.70 : 2,402,007,808.05 = 981,465,756.30 : x
  2. Step 2: Convert to fraction form
    1,601,338,538.70/2,402,007,808.05 = 981,465,756.30/x
  3. Step 3: Cross multiply
    1,601,338,538.70x = 2,402,007,808.05 × 981,465,756.30
  4. Step 4: Simplify right side
    1,601,338,538.70x = 2,357,488,409,966,298,624
  5. Step 5: Solve for x
    x = 2,357,488,409,966,298,624/1,601,338,538.70
  6. Step 6: Final answer
    x = 1,472,198,634.45

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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.