Home / 260,070,912.80-390,106,369.20-173,850,624.80

Finding the Fourth Proportional to 260,070,912.80, 390,106,369.20 and 173,850,624.80

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Solution

The fourth proportional to 260,070,912.80, 390,106,369.20 and 173,850,624.80 is: 260,775,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,070,912.80 : 390,106,369.20 = 173,850,624.80 : x
  2. Step 2: Convert to fraction form
    260,070,912.80/390,106,369.20 = 173,850,624.80/x
  3. Step 3: Cross multiply
    260,070,912.80x = 390,106,369.20 × 173,850,624.80
  4. Step 4: Simplify right side
    260,070,912.80x = 67,820,236,023,879,480
  5. Step 5: Solve for x
    x = 67,820,236,023,879,480/260,070,912.80
  6. Step 6: Final answer
    x = 260,775,937.20

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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.