Home / 340,704,430.60-511,056,645.90-187,291,208.20

Finding the Fourth Proportional to 340,704,430.60, 511,056,645.90 and 187,291,208.20

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Solution

The fourth proportional to 340,704,430.60, 511,056,645.90 and 187,291,208.20 is: 280,936,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,704,430.60 : 511,056,645.90 = 187,291,208.20 : x
  2. Step 2: Convert to fraction form
    340,704,430.60/511,056,645.90 = 187,291,208.20/x
  3. Step 3: Cross multiply
    340,704,430.60x = 511,056,645.90 × 187,291,208.20
  4. Step 4: Simplify right side
    340,704,430.60x = 95,716,416,669,250,560
  5. Step 5: Solve for x
    x = 95,716,416,669,250,560/340,704,430.60
  6. Step 6: Final answer
    x = 280,936,812.30

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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.