Home / 30,805,464,391.58-42,511,508,618.74-17,257,196,918.69

Finding the Fourth Proportional to 30,805,464,391.58, 42,511,508,618.74 and 17,257,196,918.69

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Solution

The fourth proportional to 30,805,464,391.58, 42,511,508,618.74 and 17,257,196,918.69 is: 23,814,913,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805,464,391.58 : 42,511,508,618.74 = 17,257,196,918.69 : x
  2. Step 2: Convert to fraction form
    30,805,464,391.58/42,511,508,618.74 = 17,257,196,918.69/x
  3. Step 3: Cross multiply
    30,805,464,391.58x = 42,511,508,618.74 × 17,257,196,918.69
  4. Step 4: Simplify right side
    30,805,464,391.58x = 733,629,475,543,901,798,400
  5. Step 5: Solve for x
    x = 733,629,475,543,901,798,400/30,805,464,391.58
  6. Step 6: Final answer
    x = 23,814,913,686.04

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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.