Home / 630,405,932.40-944,333,440.20-436,536,255.60

Finding the Fourth Proportional to 630,405,932.40, 944,333,440.20 and 436,536,255.60

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Solution

The fourth proportional to 630,405,932.40, 944,333,440.20 and 436,536,255.60 is: 653,921,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,405,932.40 : 944,333,440.20 = 436,536,255.60 : x
  2. Step 2: Convert to fraction form
    630,405,932.40/944,333,440.20 = 436,536,255.60/x
  3. Step 3: Cross multiply
    630,405,932.40x = 944,333,440.20 × 436,536,255.60
  4. Step 4: Simplify right side
    630,405,932.40x = 412,235,784,022,774,528
  5. Step 5: Solve for x
    x = 412,235,784,022,774,528/630,405,932.40
  6. Step 6: Final answer
    x = 653,921,168.62

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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.