Home / 7,105,044,673.12-9,805,077,761.52-3,889,901,037.28

Finding the Fourth Proportional to 7,105,044,673.12, 9,805,077,761.52 and 3,889,901,037.28

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Solution

The fourth proportional to 7,105,044,673.12, 9,805,077,761.52 and 3,889,901,037.28 is: 5,368,127,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,044,673.12 : 9,805,077,761.52 = 3,889,901,037.28 : x
  2. Step 2: Convert to fraction form
    7,105,044,673.12/9,805,077,761.52 = 3,889,901,037.28/x
  3. Step 3: Cross multiply
    7,105,044,673.12x = 9,805,077,761.52 × 3,889,901,037.28
  4. Step 4: Simplify right side
    7,105,044,673.12x = 38,140,782,155,147,714,560
  5. Step 5: Solve for x
    x = 38,140,782,155,147,714,560/7,105,044,673.12
  6. Step 6: Final answer
    x = 5,368,127,001.29

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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.