Home / 12,637,546,376.88-17,431,416,638.28-8,127,127,910.64

Finding the Fourth Proportional to 12,637,546,376.88, 17,431,416,638.28 and 8,127,127,910.64

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Solution

The fourth proportional to 12,637,546,376.88, 17,431,416,638.28 and 8,127,127,910.64 is: 11,210,036,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,546,376.88 : 17,431,416,638.28 = 8,127,127,910.64 : x
  2. Step 2: Convert to fraction form
    12,637,546,376.88/17,431,416,638.28 = 8,127,127,910.64/x
  3. Step 3: Cross multiply
    12,637,546,376.88x = 17,431,416,638.28 × 8,127,127,910.64
  4. Step 4: Simplify right side
    12,637,546,376.88x = 141,667,352,682,959,863,808
  5. Step 5: Solve for x
    x = 141,667,352,682,959,863,808/12,637,546,376.88
  6. Step 6: Final answer
    x = 11,210,036,225.24

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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.