Home / 18,725,290,257.96-28,087,934,844.18-8,638,018,682.22

Finding the Fourth Proportional to 18,725,290,257.96, 28,087,934,844.18 and 8,638,018,682.22

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Solution

The fourth proportional to 18,725,290,257.96, 28,087,934,844.18 and 8,638,018,682.22 is: 12,957,027,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,290,257.96 : 28,087,934,844.18 = 8,638,018,682.22 : x
  2. Step 2: Convert to fraction form
    18,725,290,257.96/28,087,934,844.18 = 8,638,018,682.22/x
  3. Step 3: Cross multiply
    18,725,290,257.96x = 28,087,934,844.18 × 8,638,018,682.22
  4. Step 4: Simplify right side
    18,725,290,257.96x = 242,624,105,929,047,080,960
  5. Step 5: Solve for x
    x = 242,624,105,929,047,080,960/18,725,290,257.96
  6. Step 6: Final answer
    x = 12,957,027,772.95

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Double scale
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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.