Home / 910,359,884.52-1,256,296,625.42-492,672,169.85

Finding the Fourth Proportional to 910,359,884.52, 1,256,296,625.42 and 492,672,169.85

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Solution

The fourth proportional to 910,359,884.52, 1,256,296,625.42 and 492,672,169.85 is: 679,887,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,359,884.52 : 1,256,296,625.42 = 492,672,169.85 : x
  2. Step 2: Convert to fraction form
    910,359,884.52/1,256,296,625.42 = 492,672,169.85/x
  3. Step 3: Cross multiply
    910,359,884.52x = 1,256,296,625.42 × 492,672,169.85
  4. Step 4: Simplify right side
    910,359,884.52x = 618,942,384,412,159,232
  5. Step 5: Solve for x
    x = 618,942,384,412,159,232/910,359,884.52
  6. Step 6: Final answer
    x = 679,887,586.15

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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.