Home / 681,653,241.60-1,022,479,862.40-572,814,124.80

Finding the Fourth Proportional to 681,653,241.60, 1,022,479,862.40 and 572,814,124.80

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Solution

The fourth proportional to 681,653,241.60, 1,022,479,862.40 and 572,814,124.80 is: 859,221,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,653,241.60 : 1,022,479,862.40 = 572,814,124.80 : x
  2. Step 2: Convert to fraction form
    681,653,241.60/1,022,479,862.40 = 572,814,124.80/x
  3. Step 3: Cross multiply
    681,653,241.60x = 1,022,479,862.40 × 572,814,124.80
  4. Step 4: Simplify right side
    681,653,241.60x = 585,690,907,506,280,320
  5. Step 5: Solve for x
    x = 585,690,907,506,280,320/681,653,241.60
  6. Step 6: Final answer
    x = 859,221,187.20

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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.