Home / 258,306,748.80-356,803,577.04-191,461,217.76

Finding the Fourth Proportional to 258,306,748.80, 356,803,577.04 and 191,461,217.76

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Solution

The fourth proportional to 258,306,748.80, 356,803,577.04 and 191,461,217.76 is: 264,468,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,306,748.80 : 356,803,577.04 = 191,461,217.76 : x
  2. Step 2: Convert to fraction form
    258,306,748.80/356,803,577.04 = 191,461,217.76/x
  3. Step 3: Cross multiply
    258,306,748.80x = 356,803,577.04 × 191,461,217.76
  4. Step 4: Simplify right side
    258,306,748.80x = 68,314,047,361,202,376
  5. Step 5: Solve for x
    x = 68,314,047,361,202,376/258,306,748.80
  6. Step 6: Final answer
    x = 264,468,689.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.