Home / 928,147,335,528.87-1,280,843,384,613.30-516,606,982,365.55

Finding the Fourth Proportional to 928,147,335,528.87, 1,280,843,384,613.30 and 516,606,982,365.55

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Solution

The fourth proportional to 928,147,335,528.87, 1,280,843,384,613.30 and 516,606,982,365.55 is: 712,917,669,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,147,335,528.87 : 1,280,843,384,613.30 = 516,606,982,365.55 : x
  2. Step 2: Convert to fraction form
    928,147,335,528.87/1,280,843,384,613.30 = 516,606,982,365.55/x
  3. Step 3: Cross multiply
    928,147,335,528.87x = 1,280,843,384,613.30 × 516,606,982,365.55
  4. Step 4: Simplify right side
    928,147,335,528.87x = 661,692,635,807,954,520,506,368
  5. Step 5: Solve for x
    x = 661,692,635,807,954,520,506,368/928,147,335,528.87
  6. Step 6: Final answer
    x = 712,917,669,941.82

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Double scale
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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.