Home / 712,404,998.40-1,068,607,497.60-550,962,796.80

Finding the Fourth Proportional to 712,404,998.40, 1,068,607,497.60 and 550,962,796.80

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Solution

The fourth proportional to 712,404,998.40, 1,068,607,497.60 and 550,962,796.80 is: 826,444,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,404,998.40 : 1,068,607,497.60 = 550,962,796.80 : x
  2. Step 2: Convert to fraction form
    712,404,998.40/1,068,607,497.60 = 550,962,796.80/x
  3. Step 3: Cross multiply
    712,404,998.40x = 1,068,607,497.60 × 550,962,796.80
  4. Step 4: Simplify right side
    712,404,998.40x = 588,762,975,559,145,216
  5. Step 5: Solve for x
    x = 588,762,975,559,145,216/712,404,998.40
  6. Step 6: Final answer
    x = 826,444,195.20

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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.