Home / 777,312,808.40-1,165,981,654.20-202,884,136.40

Finding the Fourth Proportional to 777,312,808.40, 1,165,981,654.20 and 202,884,136.40

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Solution

The fourth proportional to 777,312,808.40, 1,165,981,654.20 and 202,884,136.40 is: 304,329,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,312,808.40 : 1,165,981,654.20 = 202,884,136.40 : x
  2. Step 2: Convert to fraction form
    777,312,808.40/1,165,981,654.20 = 202,884,136.40/x
  3. Step 3: Cross multiply
    777,312,808.40x = 1,165,981,654.20 × 202,884,136.40
  4. Step 4: Simplify right side
    777,312,808.40x = 236,559,180,970,610,464
  5. Step 5: Solve for x
    x = 236,559,180,970,610,464/777,312,808.40
  6. Step 6: Final answer
    x = 304,329,451.95

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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.