Home / 1,660,394,425.04-2,291,371,529.02-991,397,930.70

Finding the Fourth Proportional to 1,660,394,425.04, 2,291,371,529.02 and 991,397,930.70

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Solution

The fourth proportional to 1,660,394,425.04, 2,291,371,529.02 and 991,397,930.70 is: 1,368,145,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,394,425.04 : 2,291,371,529.02 = 991,397,930.70 : x
  2. Step 2: Convert to fraction form
    1,660,394,425.04/2,291,371,529.02 = 991,397,930.70/x
  3. Step 3: Cross multiply
    1,660,394,425.04x = 2,291,371,529.02 × 991,397,930.70
  4. Step 4: Simplify right side
    1,660,394,425.04x = 2,271,660,992,335,323,136
  5. Step 5: Solve for x
    x = 2,271,660,992,335,323,136/1,660,394,425.04
  6. Step 6: Final answer
    x = 1,368,145,398.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.