Home / 927,894,977.93-1,280,486,066.96-504,508,633.55

Finding the Fourth Proportional to 927,894,977.93, 1,280,486,066.96 and 504,508,633.55

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Solution

The fourth proportional to 927,894,977.93, 1,280,486,066.96 and 504,508,633.55 is: 696,217,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,894,977.93 : 1,280,486,066.96 = 504,508,633.55 : x
  2. Step 2: Convert to fraction form
    927,894,977.93/1,280,486,066.96 = 504,508,633.55/x
  3. Step 3: Cross multiply
    927,894,977.93x = 1,280,486,066.96 × 504,508,633.55
  4. Step 4: Simplify right side
    927,894,977.93x = 646,016,275,921,464,064
  5. Step 5: Solve for x
    x = 646,016,275,921,464,064/927,894,977.93
  6. Step 6: Final answer
    x = 696,217,019.48

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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.