Home / 743,276,850.56-1,025,431,747.59-425,567,299.75

Finding the Fourth Proportional to 743,276,850.56, 1,025,431,747.59 and 425,567,299.75

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Solution

The fourth proportional to 743,276,850.56, 1,025,431,747.59 and 425,567,299.75 is: 587,116,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,276,850.56 : 1,025,431,747.59 = 425,567,299.75 : x
  2. Step 2: Convert to fraction form
    743,276,850.56/1,025,431,747.59 = 425,567,299.75/x
  3. Step 3: Cross multiply
    743,276,850.56x = 1,025,431,747.59 × 425,567,299.75
  4. Step 4: Simplify right side
    743,276,850.56x = 436,390,219,894,672,704
  5. Step 5: Solve for x
    x = 436,390,219,894,672,704/743,276,850.56
  6. Step 6: Final answer
    x = 587,116,657.23

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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.