Home / 3,557,545,986.69-4,909,413,364.07-1,971,876,174.71

Finding the Fourth Proportional to 3,557,545,986.69, 4,909,413,364.07 and 1,971,876,174.71

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Solution

The fourth proportional to 3,557,545,986.69, 4,909,413,364.07 and 1,971,876,174.71 is: 2,721,189,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,545,986.69 : 4,909,413,364.07 = 1,971,876,174.71 : x
  2. Step 2: Convert to fraction form
    3,557,545,986.69/4,909,413,364.07 = 1,971,876,174.71/x
  3. Step 3: Cross multiply
    3,557,545,986.69x = 4,909,413,364.07 × 1,971,876,174.71
  4. Step 4: Simplify right side
    3,557,545,986.69x = 9,680,755,244,378,490,880
  5. Step 5: Solve for x
    x = 9,680,755,244,378,490,880/3,557,545,986.69
  6. Step 6: Final answer
    x = 2,721,189,067.01

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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.