Home / 430,079,752.60-644,163,035.10-353,552,248.60

Finding the Fourth Proportional to 430,079,752.60, 644,163,035.10 and 353,552,248.60

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Solution

The fourth proportional to 430,079,752.60, 644,163,035.10 and 353,552,248.60 is: 529,541,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,079,752.60 : 644,163,035.10 = 353,552,248.60 : x
  2. Step 2: Convert to fraction form
    430,079,752.60/644,163,035.10 = 353,552,248.60/x
  3. Step 3: Cross multiply
    430,079,752.60x = 644,163,035.10 × 353,552,248.60
  4. Step 4: Simplify right side
    430,079,752.60x = 227,745,289,524,605,760
  5. Step 5: Solve for x
    x = 227,745,289,524,605,760/430,079,752.60
  6. Step 6: Final answer
    x = 529,541,993.43

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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.