Home / 515,403,342.50-773,226,064.19-170,356,932.57

Finding the Fourth Proportional to 515,403,342.50, 773,226,064.19 and 170,356,932.57

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Solution

The fourth proportional to 515,403,342.50, 773,226,064.19 and 170,356,932.57 is: 255,575,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,403,342.50 : 773,226,064.19 = 170,356,932.57 : x
  2. Step 2: Convert to fraction form
    515,403,342.50/773,226,064.19 = 170,356,932.57/x
  3. Step 3: Cross multiply
    515,403,342.50x = 773,226,064.19 × 170,356,932.57
  4. Step 4: Simplify right side
    515,403,342.50x = 131,724,420,481,907,808
  5. Step 5: Solve for x
    x = 131,724,420,481,907,808/515,403,342.50
  6. Step 6: Final answer
    x = 255,575,409.82

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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.