Home / 321,811,945.79-482,472,390.87-146,812,595.31

Finding the Fourth Proportional to 321,811,945.79, 482,472,390.87 and 146,812,595.31

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Solution

The fourth proportional to 321,811,945.79, 482,472,390.87 and 146,812,595.31 is: 220,106,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,811,945.79 : 482,472,390.87 = 146,812,595.31 : x
  2. Step 2: Convert to fraction form
    321,811,945.79/482,472,390.87 = 146,812,595.31/x
  3. Step 3: Cross multiply
    321,811,945.79x = 482,472,390.87 × 146,812,595.31
  4. Step 4: Simplify right side
    321,811,945.79x = 70,833,023,869,045,448
  5. Step 5: Solve for x
    x = 70,833,023,869,045,448/321,811,945.79
  6. Step 6: Final answer
    x = 220,106,881.66

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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.