Home / 19,161,006,212.76-26,432,284,213.74-12,124,557,311.64

Finding the Fourth Proportional to 19,161,006,212.76, 26,432,284,213.74 and 12,124,557,311.64

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Solution

The fourth proportional to 19,161,006,212.76, 26,432,284,213.74 and 12,124,557,311.64 is: 16,725,621,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161,006,212.76 : 26,432,284,213.74 = 12,124,557,311.64 : x
  2. Step 2: Convert to fraction form
    19,161,006,212.76/26,432,284,213.74 = 12,124,557,311.64/x
  3. Step 3: Cross multiply
    19,161,006,212.76x = 26,432,284,213.74 × 12,124,557,311.64
  4. Step 4: Simplify right side
    19,161,006,212.76x = 320,479,744,827,047,870,464
  5. Step 5: Solve for x
    x = 320,479,744,827,047,870,464/19,161,006,212.76
  6. Step 6: Final answer
    x = 16,725,621,883.76

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Double scale
Find fourth proportional to 19,161,006,213.76, 26,432,284,215.12 and 12,124,557,312.64
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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.