Home / 543,968,779.92-750,798,077.52-345,691,612.84

Finding the Fourth Proportional to 543,968,779.92, 750,798,077.52 and 345,691,612.84

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Solution

The fourth proportional to 543,968,779.92, 750,798,077.52 and 345,691,612.84 is: 477,131,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,968,779.92 : 750,798,077.52 = 345,691,612.84 : x
  2. Step 2: Convert to fraction form
    543,968,779.92/750,798,077.52 = 345,691,612.84/x
  3. Step 3: Cross multiply
    543,968,779.92x = 750,798,077.52 × 345,691,612.84
  4. Step 4: Simplify right side
    543,968,779.92x = 259,544,598,335,060,128
  5. Step 5: Solve for x
    x = 259,544,598,335,060,128/543,968,779.92
  6. Step 6: Final answer
    x = 477,131,423.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.