Home / 575,423,999.20-863,135,998.80-252,307,871.20

Finding the Fourth Proportional to 575,423,999.20, 863,135,998.80 and 252,307,871.20

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Solution

The fourth proportional to 575,423,999.20, 863,135,998.80 and 252,307,871.20 is: 378,461,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,423,999.20 : 863,135,998.80 = 252,307,871.20 : x
  2. Step 2: Convert to fraction form
    575,423,999.20/863,135,998.80 = 252,307,871.20/x
  3. Step 3: Cross multiply
    575,423,999.20x = 863,135,998.80 × 252,307,871.20
  4. Step 4: Simplify right side
    575,423,999.20x = 217,776,006,413,313,728
  5. Step 5: Solve for x
    x = 217,776,006,413,313,728/575,423,999.20
  6. Step 6: Final answer
    x = 378,461,806.80

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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.