Home / 3,640,508,939.92-5,023,866,570.60-1,969,721,421.52

Finding the Fourth Proportional to 3,640,508,939.92, 5,023,866,570.60 and 1,969,721,421.52

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Solution

The fourth proportional to 3,640,508,939.92, 5,023,866,570.60 and 1,969,721,421.52 is: 2,718,196,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,508,939.92 : 5,023,866,570.60 = 1,969,721,421.52 : x
  2. Step 2: Convert to fraction form
    3,640,508,939.92/5,023,866,570.60 = 1,969,721,421.52/x
  3. Step 3: Cross multiply
    3,640,508,939.92x = 5,023,866,570.60 × 1,969,721,421.52
  4. Step 4: Simplify right side
    3,640,508,939.92x = 9,895,617,602,969,040,896
  5. Step 5: Solve for x
    x = 9,895,617,602,969,040,896/3,640,508,939.92
  6. Step 6: Final answer
    x = 2,718,196,210.00

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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.