Home / 288,578,721.60-432,868,082.40-234,159,163.20

Finding the Fourth Proportional to 288,578,721.60, 432,868,082.40 and 234,159,163.20

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Solution

The fourth proportional to 288,578,721.60, 432,868,082.40 and 234,159,163.20 is: 351,238,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,578,721.60 : 432,868,082.40 = 234,159,163.20 : x
  2. Step 2: Convert to fraction form
    288,578,721.60/432,868,082.40 = 234,159,163.20/x
  3. Step 3: Cross multiply
    288,578,721.60x = 432,868,082.40 × 234,159,163.20
  4. Step 4: Simplify right side
    288,578,721.60x = 101,360,027,950,772,640
  5. Step 5: Solve for x
    x = 101,360,027,950,772,640/288,578,721.60
  6. Step 6: Final answer
    x = 351,238,744.80

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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.