Home / 472,392,548.70-708,588,823.05-324,439,374.30

Finding the Fourth Proportional to 472,392,548.70, 708,588,823.05 and 324,439,374.30

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Solution

The fourth proportional to 472,392,548.70, 708,588,823.05 and 324,439,374.30 is: 486,659,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,548.70 : 708,588,823.05 = 324,439,374.30 : x
  2. Step 2: Convert to fraction form
    472,392,548.70/708,588,823.05 = 324,439,374.30/x
  3. Step 3: Cross multiply
    472,392,548.70x = 708,588,823.05 × 324,439,374.30
  4. Step 4: Simplify right side
    472,392,548.70x = 229,894,114,386,315,424
  5. Step 5: Solve for x
    x = 229,894,114,386,315,424/472,392,548.70
  6. Step 6: Final answer
    x = 486,659,061.45

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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.