Home / 873,181,750.26-1,309,126,921.64-528,058,650.45

Finding the Fourth Proportional to 873,181,750.26, 1,309,126,921.64 and 528,058,650.45

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Solution

The fourth proportional to 873,181,750.26, 1,309,126,921.64 and 528,058,650.45 is: 791,697,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,181,750.26 : 1,309,126,921.64 = 528,058,650.45 : x
  2. Step 2: Convert to fraction form
    873,181,750.26/1,309,126,921.64 = 528,058,650.45/x
  3. Step 3: Cross multiply
    873,181,750.26x = 1,309,126,921.64 × 528,058,650.45
  4. Step 4: Simplify right side
    873,181,750.26x = 691,295,795,508,981,376
  5. Step 5: Solve for x
    x = 691,295,795,508,981,376/873,181,750.26
  6. Step 6: Final answer
    x = 791,697,484.86

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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.