Home / 12,945,730,012.30-17,865,154,498.71-7,005,282,514.30

Finding the Fourth Proportional to 12,945,730,012.30, 17,865,154,498.71 and 7,005,282,514.30

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Solution

The fourth proportional to 12,945,730,012.30, 17,865,154,498.71 and 7,005,282,514.30 is: 9,667,315,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,730,012.30 : 17,865,154,498.71 = 7,005,282,514.30 : x
  2. Step 2: Convert to fraction form
    12,945,730,012.30/17,865,154,498.71 = 7,005,282,514.30/x
  3. Step 3: Cross multiply
    12,945,730,012.30x = 17,865,154,498.71 × 7,005,282,514.30
  4. Step 4: Simplify right side
    12,945,730,012.30x = 125,150,454,425,081,135,104
  5. Step 5: Solve for x
    x = 125,150,454,425,081,135,104/12,945,730,012.30
  6. Step 6: Final answer
    x = 9,667,315,346.93

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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.