Home / 511,216,901.70-767,329,237.35-252,723,999.30

Finding the Fourth Proportional to 511,216,901.70, 767,329,237.35 and 252,723,999.30

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Solution

The fourth proportional to 511,216,901.70, 767,329,237.35 and 252,723,999.30 is: 379,335,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,216,901.70 : 767,329,237.35 = 252,723,999.30 : x
  2. Step 2: Convert to fraction form
    511,216,901.70/767,329,237.35 = 252,723,999.30/x
  3. Step 3: Cross multiply
    511,216,901.70x = 767,329,237.35 × 252,723,999.30
  4. Step 4: Simplify right side
    511,216,901.70x = 193,922,513,642,910,944
  5. Step 5: Solve for x
    x = 193,922,513,642,910,944/511,216,901.70
  6. Step 6: Final answer
    x = 379,335,098.27

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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.