Home / 515,034,512.60-772,551,768.90-242,936,720.60

Finding the Fourth Proportional to 515,034,512.60, 772,551,768.90 and 242,936,720.60

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Solution

The fourth proportional to 515,034,512.60, 772,551,768.90 and 242,936,720.60 is: 364,405,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,034,512.60 : 772,551,768.90 = 242,936,720.60 : x
  2. Step 2: Convert to fraction form
    515,034,512.60/772,551,768.90 = 242,936,720.60/x
  3. Step 3: Cross multiply
    515,034,512.60x = 772,551,768.90 × 242,936,720.60
  4. Step 4: Simplify right side
    515,034,512.60x = 187,681,193,230,295,072
  5. Step 5: Solve for x
    x = 187,681,193,230,295,072/515,034,512.60
  6. Step 6: Final answer
    x = 364,405,080.90

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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.