Home / 545,447,313.20-818,170,980.56-130,924,134.53

Finding the Fourth Proportional to 545,447,313.20, 818,170,980.56 and 130,924,134.53

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Solution

The fourth proportional to 545,447,313.20, 818,170,980.56 and 130,924,134.53 is: 196,386,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,447,313.20 : 818,170,980.56 = 130,924,134.53 : x
  2. Step 2: Convert to fraction form
    545,447,313.20/818,170,980.56 = 130,924,134.53/x
  3. Step 3: Cross multiply
    545,447,313.20x = 818,170,980.56 × 130,924,134.53
  4. Step 4: Simplify right side
    545,447,313.20x = 107,118,327,527,379,456
  5. Step 5: Solve for x
    x = 107,118,327,527,379,456/545,447,313.20
  6. Step 6: Final answer
    x = 196,386,204.38

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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.