Home / 354,326,835.60-531,490,253.40-318,614,000.40

Finding the Fourth Proportional to 354,326,835.60, 531,490,253.40 and 318,614,000.40

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Solution

The fourth proportional to 354,326,835.60, 531,490,253.40 and 318,614,000.40 is: 477,921,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,326,835.60 : 531,490,253.40 = 318,614,000.40 : x
  2. Step 2: Convert to fraction form
    354,326,835.60/531,490,253.40 = 318,614,000.40/x
  3. Step 3: Cross multiply
    354,326,835.60x = 531,490,253.40 × 318,614,000.40
  4. Step 4: Simplify right side
    354,326,835.60x = 169,340,235,809,383,680
  5. Step 5: Solve for x
    x = 169,340,235,809,383,680/354,326,835.60
  6. Step 6: Final answer
    x = 477,921,000.60

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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.