Home / 577,205,999.70-865,808,999.55-168,275,490.90

Finding the Fourth Proportional to 577,205,999.70, 865,808,999.55 and 168,275,490.90

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Solution

The fourth proportional to 577,205,999.70, 865,808,999.55 and 168,275,490.90 is: 252,413,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,205,999.70 : 865,808,999.55 = 168,275,490.90 : x
  2. Step 2: Convert to fraction form
    577,205,999.70/865,808,999.55 = 168,275,490.90/x
  3. Step 3: Cross multiply
    577,205,999.70x = 865,808,999.55 × 168,275,490.90
  4. Step 4: Simplify right side
    577,205,999.70x = 145,694,434,424,914,112
  5. Step 5: Solve for x
    x = 145,694,434,424,914,112/577,205,999.70
  6. Step 6: Final answer
    x = 252,413,236.35

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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.