Home / 347,730,400.80-521,595,601.20-260,999,229.60

Finding the Fourth Proportional to 347,730,400.80, 521,595,601.20 and 260,999,229.60

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Solution

The fourth proportional to 347,730,400.80, 521,595,601.20 and 260,999,229.60 is: 391,498,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,730,400.80 : 521,595,601.20 = 260,999,229.60 : x
  2. Step 2: Convert to fraction form
    347,730,400.80/521,595,601.20 = 260,999,229.60/x
  3. Step 3: Cross multiply
    347,730,400.80x = 521,595,601.20 × 260,999,229.60
  4. Step 4: Simplify right side
    347,730,400.80x = 136,136,050,075,948,832
  5. Step 5: Solve for x
    x = 136,136,050,075,948,832/347,730,400.80
  6. Step 6: Final answer
    x = 391,498,844.40

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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.