Home / 663,034,905.60-992,639,170.80-586,507,401.60

Finding the Fourth Proportional to 663,034,905.60, 992,639,170.80 and 586,507,401.60

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Solution

The fourth proportional to 663,034,905.60, 992,639,170.80 and 586,507,401.60 is: 878,068,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,034,905.60 : 992,639,170.80 = 586,507,401.60 : x
  2. Step 2: Convert to fraction form
    663,034,905.60/992,639,170.80 = 586,507,401.60/x
  3. Step 3: Cross multiply
    663,034,905.60x = 992,639,170.80 × 586,507,401.60
  4. Step 4: Simplify right side
    663,034,905.60x = 582,190,220,792,286,592
  5. Step 5: Solve for x
    x = 582,190,220,792,286,592/663,034,905.60
  6. Step 6: Final answer
    x = 878,068,734.96

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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.