Home / 380,491,177.90-570,596,774.55-131,433,053.05

Finding the Fourth Proportional to 380,491,177.90, 570,596,774.55 and 131,433,053.05

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Solution

The fourth proportional to 380,491,177.90, 570,596,774.55 and 131,433,053.05 is: 197,101,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,491,177.90 : 570,596,774.55 = 131,433,053.05 : x
  2. Step 2: Convert to fraction form
    380,491,177.90/570,596,774.55 = 131,433,053.05/x
  3. Step 3: Cross multiply
    380,491,177.90x = 570,596,774.55 × 131,433,053.05
  4. Step 4: Simplify right side
    380,491,177.90x = 74,995,276,139,589,024
  5. Step 5: Solve for x
    x = 74,995,276,139,589,024/380,491,177.90
  6. Step 6: Final answer
    x = 197,101,222.04

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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.