Home / 766,138,276.08-1,057,274,049.72-431,614,812.24

Finding the Fourth Proportional to 766,138,276.08, 1,057,274,049.72 and 431,614,812.24

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Solution

The fourth proportional to 766,138,276.08, 1,057,274,049.72 and 431,614,812.24 is: 595,630,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,138,276.08 : 1,057,274,049.72 = 431,614,812.24 : x
  2. Step 2: Convert to fraction form
    766,138,276.08/1,057,274,049.72 = 431,614,812.24/x
  3. Step 3: Cross multiply
    766,138,276.08x = 1,057,274,049.72 × 431,614,812.24
  4. Step 4: Simplify right side
    766,138,276.08x = 456,335,140,456,122,240
  5. Step 5: Solve for x
    x = 456,335,140,456,122,240/766,138,276.08
  6. Step 6: Final answer
    x = 595,630,259.84

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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.