Home / 1,393,862,735.25-2,090,851,803.35-411,289,255.92

Finding the Fourth Proportional to 1,393,862,735.25, 2,090,851,803.35 and 411,289,255.92

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Solution

The fourth proportional to 1,393,862,735.25, 2,090,851,803.35 and 411,289,255.92 is: 616,950,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,862,735.25 : 2,090,851,803.35 = 411,289,255.92 : x
  2. Step 2: Convert to fraction form
    1,393,862,735.25/2,090,851,803.35 = 411,289,255.92/x
  3. Step 3: Cross multiply
    1,393,862,735.25x = 2,090,851,803.35 × 411,289,255.92
  4. Step 4: Simplify right side
    1,393,862,735.25x = 859,944,882,436,755,200
  5. Step 5: Solve for x
    x = 859,944,882,436,755,200/1,393,862,735.25
  6. Step 6: Final answer
    x = 616,950,909.65

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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.