Home / 891,595,190.88-1,337,499,148.50-431,202,538.08

Finding the Fourth Proportional to 891,595,190.88, 1,337,499,148.50 and 431,202,538.08

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Solution

The fourth proportional to 891,595,190.88, 1,337,499,148.50 and 431,202,538.08 is: 646,855,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,595,190.88 : 1,337,499,148.50 = 431,202,538.08 : x
  2. Step 2: Convert to fraction form
    891,595,190.88/1,337,499,148.50 = 431,202,538.08/x
  3. Step 3: Cross multiply
    891,595,190.88x = 1,337,499,148.50 × 431,202,538.08
  4. Step 4: Simplify right side
    891,595,190.88x = 576,733,027,513,038,848
  5. Step 5: Solve for x
    x = 576,733,027,513,038,848/891,595,190.88
  6. Step 6: Final answer
    x = 646,855,247.10

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1.5x scale

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.