Home / 935,441,265.68-1,290,893,287.96-517,744,608.56

Finding the Fourth Proportional to 935,441,265.68, 1,290,893,287.96 and 517,744,608.56

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Solution

The fourth proportional to 935,441,265.68, 1,290,893,287.96 and 517,744,608.56 is: 714,478,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,441,265.68 : 1,290,893,287.96 = 517,744,608.56 : x
  2. Step 2: Convert to fraction form
    935,441,265.68/1,290,893,287.96 = 517,744,608.56/x
  3. Step 3: Cross multiply
    935,441,265.68x = 1,290,893,287.96 × 517,744,608.56
  4. Step 4: Simplify right side
    935,441,265.68x = 668,353,040,067,581,568
  5. Step 5: Solve for x
    x = 668,353,040,067,581,568/935,441,265.68
  6. Step 6: Final answer
    x = 714,478,893.10

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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.