Home / 1,793,981,315.30-2,690,971,972.96-1,310,251,907.30

Finding the Fourth Proportional to 1,793,981,315.30, 2,690,971,972.96 and 1,310,251,907.30

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Solution

The fourth proportional to 1,793,981,315.30, 2,690,971,972.96 and 1,310,251,907.30 is: 1,965,377,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,981,315.30 : 2,690,971,972.96 = 1,310,251,907.30 : x
  2. Step 2: Convert to fraction form
    1,793,981,315.30/2,690,971,972.96 = 1,310,251,907.30/x
  3. Step 3: Cross multiply
    1,793,981,315.30x = 2,690,971,972.96 × 1,310,251,907.30
  4. Step 4: Simplify right side
    1,793,981,315.30x = 3,525,851,160,061,683,712
  5. Step 5: Solve for x
    x = 3,525,851,160,061,683,712/1,793,981,315.30
  6. Step 6: Final answer
    x = 1,965,377,860.96

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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.