Home / 12,940,368,965.48-17,856,348,778.84-7,513,843,826.31

Finding the Fourth Proportional to 12,940,368,965.48, 17,856,348,778.84 and 7,513,843,826.31

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Solution

The fourth proportional to 12,940,368,965.48, 17,856,348,778.84 and 7,513,843,826.31 is: 10,368,314,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,368,965.48 : 17,856,348,778.84 = 7,513,843,826.31 : x
  2. Step 2: Convert to fraction form
    12,940,368,965.48/17,856,348,778.84 = 7,513,843,826.31/x
  3. Step 3: Cross multiply
    12,940,368,965.48x = 17,856,348,778.84 × 7,513,843,826.31
  4. Step 4: Simplify right side
    12,940,368,965.48x = 134,169,816,032,358,596,608
  5. Step 5: Solve for x
    x = 134,169,816,032,358,596,608/12,940,368,965.48
  6. Step 6: Final answer
    x = 10,368,314,565.86

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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.