Home / 15,568,588,616.88-21,484,999,196.28-8,885,451,088.56

Finding the Fourth Proportional to 15,568,588,616.88, 21,484,999,196.28 and 8,885,451,088.56

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Solution

The fourth proportional to 15,568,588,616.88, 21,484,999,196.28 and 8,885,451,088.56 is: 12,262,120,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568,588,616.88 : 21,484,999,196.28 = 8,885,451,088.56 : x
  2. Step 2: Convert to fraction form
    15,568,588,616.88/21,484,999,196.28 = 8,885,451,088.56/x
  3. Step 3: Cross multiply
    15,568,588,616.88x = 21,484,999,196.28 × 8,885,451,088.56
  4. Step 4: Simplify right side
    15,568,588,616.88x = 190,903,909,496,296,833,024
  5. Step 5: Solve for x
    x = 190,903,909,496,296,833,024/15,568,588,616.88
  6. Step 6: Final answer
    x = 12,262,120,491.08

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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.