Home / 1,016,573,332.09-1,403,427,849.61-711,515,878.79

Finding the Fourth Proportional to 1,016,573,332.09, 1,403,427,849.61 and 711,515,878.79

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Solution

The fourth proportional to 1,016,573,332.09, 1,403,427,849.61 and 711,515,878.79 is: 982,281,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,573,332.09 : 1,403,427,849.61 = 711,515,878.79 : x
  2. Step 2: Convert to fraction form
    1,016,573,332.09/1,403,427,849.61 = 711,515,878.79/x
  3. Step 3: Cross multiply
    1,016,573,332.09x = 1,403,427,849.61 × 711,515,878.79
  4. Step 4: Simplify right side
    1,016,573,332.09x = 998,561,199,733,618,944
  5. Step 5: Solve for x
    x = 998,561,199,733,618,944/1,016,573,332.09
  6. Step 6: Final answer
    x = 982,281,521.87

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Double scale
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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.