Home / 343,852,581.60-515,778,872.40-171,665,697.60

Finding the Fourth Proportional to 343,852,581.60, 515,778,872.40 and 171,665,697.60

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Solution

The fourth proportional to 343,852,581.60, 515,778,872.40 and 171,665,697.60 is: 257,498,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,852,581.60 : 515,778,872.40 = 171,665,697.60 : x
  2. Step 2: Convert to fraction form
    343,852,581.60/515,778,872.40 = 171,665,697.60/x
  3. Step 3: Cross multiply
    343,852,581.60x = 515,778,872.40 × 171,665,697.60
  4. Step 4: Simplify right side
    343,852,581.60x = 88,541,539,937,887,376
  5. Step 5: Solve for x
    x = 88,541,539,937,887,376/343,852,581.60
  6. Step 6: Final answer
    x = 257,498,546.40

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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.