Home / 768,499,067.60-1,060,516,052.52-416,072,240.72

Finding the Fourth Proportional to 768,499,067.60, 1,060,516,052.52 and 416,072,240.72

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Solution

The fourth proportional to 768,499,067.60, 1,060,516,052.52 and 416,072,240.72 is: 574,172,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,499,067.60 : 1,060,516,052.52 = 416,072,240.72 : x
  2. Step 2: Convert to fraction form
    768,499,067.60/1,060,516,052.52 = 416,072,240.72/x
  3. Step 3: Cross multiply
    768,499,067.60x = 1,060,516,052.52 × 416,072,240.72
  4. Step 4: Simplify right side
    768,499,067.60x = 441,251,290,291,525,632
  5. Step 5: Solve for x
    x = 441,251,290,291,525,632/768,499,067.60
  6. Step 6: Final answer
    x = 574,172,837.54

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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.