Home / 12,663,969,298.77-18,998,872,215.35-4,382,856,313.59

Finding the Fourth Proportional to 12,663,969,298.77, 18,998,872,215.35 and 4,382,856,313.59

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Solution

The fourth proportional to 12,663,969,298.77, 18,998,872,215.35 and 4,382,856,313.59 is: 6,575,294,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,969,298.77 : 18,998,872,215.35 = 4,382,856,313.59 : x
  2. Step 2: Convert to fraction form
    12,663,969,298.77/18,998,872,215.35 = 4,382,856,313.59/x
  3. Step 3: Cross multiply
    12,663,969,298.77x = 18,998,872,215.35 × 4,382,856,313.59
  4. Step 4: Simplify right side
    12,663,969,298.77x = 83,269,327,040,136,380,416
  5. Step 5: Solve for x
    x = 83,269,327,040,136,380,416/12,663,969,298.77
  6. Step 6: Final answer
    x = 6,575,294,449.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.