Home / 575,423,999.70-863,135,999.55-252,307,871.70

Finding the Fourth Proportional to 575,423,999.70, 863,135,999.55 and 252,307,871.70

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Solution

The fourth proportional to 575,423,999.70, 863,135,999.55 and 252,307,871.70 is: 378,461,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,423,999.70 : 863,135,999.55 = 252,307,871.70 : x
  2. Step 2: Convert to fraction form
    575,423,999.70/863,135,999.55 = 252,307,871.70/x
  3. Step 3: Cross multiply
    575,423,999.70x = 863,135,999.55 × 252,307,871.70
  4. Step 4: Simplify right side
    575,423,999.70x = 217,776,007,034,112,640
  5. Step 5: Solve for x
    x = 217,776,007,034,112,640/575,423,999.70
  6. Step 6: Final answer
    x = 378,461,807.55

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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.