Home / 910,359,882.27-1,256,296,622.31-492,672,167.60

Finding the Fourth Proportional to 910,359,882.27, 1,256,296,622.31 and 492,672,167.60

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Solution

The fourth proportional to 910,359,882.27, 1,256,296,622.31 and 492,672,167.60 is: 679,887,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,359,882.27 : 1,256,296,622.31 = 492,672,167.60 : x
  2. Step 2: Convert to fraction form
    910,359,882.27/1,256,296,622.31 = 492,672,167.60/x
  3. Step 3: Cross multiply
    910,359,882.27x = 1,256,296,622.31 × 492,672,167.60
  4. Step 4: Simplify right side
    910,359,882.27x = 618,942,380,055,744,768
  5. Step 5: Solve for x
    x = 618,942,380,055,744,768/910,359,882.27
  6. Step 6: Final answer
    x = 679,887,583.04

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1.5x scale

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.