Home / 705,092,486.40-1,057,806,691.20-341,287,660.80

Finding the Fourth Proportional to 705,092,486.40, 1,057,806,691.20 and 341,287,660.80

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Solution

The fourth proportional to 705,092,486.40, 1,057,806,691.20 and 341,287,660.80 is: 512,012,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,092,486.40 : 1,057,806,691.20 = 341,287,660.80 : x
  2. Step 2: Convert to fraction form
    705,092,486.40/1,057,806,691.20 = 341,287,660.80/x
  3. Step 3: Cross multiply
    705,092,486.40x = 1,057,806,691.20 × 341,287,660.80
  4. Step 4: Simplify right side
    705,092,486.40x = 361,016,371,218,235,968
  5. Step 5: Solve for x
    x = 361,016,371,218,235,968/705,092,486.40
  6. Step 6: Final answer
    x = 512,012,790.07

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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.