Home / 543,283,373.10-814,925,059.65-391,362,105.90

Finding the Fourth Proportional to 543,283,373.10, 814,925,059.65 and 391,362,105.90

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Solution

The fourth proportional to 543,283,373.10, 814,925,059.65 and 391,362,105.90 is: 587,043,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,283,373.10 : 814,925,059.65 = 391,362,105.90 : x
  2. Step 2: Convert to fraction form
    543,283,373.10/814,925,059.65 = 391,362,105.90/x
  3. Step 3: Cross multiply
    543,283,373.10x = 814,925,059.65 × 391,362,105.90
  4. Step 4: Simplify right side
    543,283,373.10x = 318,930,787,495,307,072
  5. Step 5: Solve for x
    x = 318,930,787,495,307,072/543,283,373.10
  6. Step 6: Final answer
    x = 587,043,158.85

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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.