Home / 365,472,021.60-548,208,032.40-311,052,463.20

Finding the Fourth Proportional to 365,472,021.60, 548,208,032.40 and 311,052,463.20

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Solution

The fourth proportional to 365,472,021.60, 548,208,032.40 and 311,052,463.20 is: 466,578,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,472,021.60 : 548,208,032.40 = 311,052,463.20 : x
  2. Step 2: Convert to fraction form
    365,472,021.60/548,208,032.40 = 311,052,463.20/x
  3. Step 3: Cross multiply
    365,472,021.60x = 548,208,032.40 × 311,052,463.20
  4. Step 4: Simplify right side
    365,472,021.60x = 170,521,458,824,045,408
  5. Step 5: Solve for x
    x = 170,521,458,824,045,408/365,472,021.60
  6. Step 6: Final answer
    x = 466,578,694.80

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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.