Home / 702,336,644.40-1,053,504,966.60-442,710,001.20

Finding the Fourth Proportional to 702,336,644.40, 1,053,504,966.60 and 442,710,001.20

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Solution

The fourth proportional to 702,336,644.40, 1,053,504,966.60 and 442,710,001.20 is: 664,065,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,336,644.40 : 1,053,504,966.60 = 442,710,001.20 : x
  2. Step 2: Convert to fraction form
    702,336,644.40/1,053,504,966.60 = 442,710,001.20/x
  3. Step 3: Cross multiply
    702,336,644.40x = 1,053,504,966.60 × 442,710,001.20
  4. Step 4: Simplify right side
    702,336,644.40x = 466,397,185,027,691,968
  5. Step 5: Solve for x
    x = 466,397,185,027,691,968/702,336,644.40
  6. Step 6: Final answer
    x = 664,065,001.80

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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.