Home / 18,725,290,250.24-28,087,934,832.56-8,638,018,674.56

Finding the Fourth Proportional to 18,725,290,250.24, 28,087,934,832.56 and 8,638,018,674.56

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Solution

The fourth proportional to 18,725,290,250.24, 28,087,934,832.56 and 8,638,018,674.56 is: 12,957,027,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,290,250.24 : 28,087,934,832.56 = 8,638,018,674.56 : x
  2. Step 2: Convert to fraction form
    18,725,290,250.24/28,087,934,832.56 = 8,638,018,674.56/x
  3. Step 3: Cross multiply
    18,725,290,250.24x = 28,087,934,832.56 × 8,638,018,674.56
  4. Step 4: Simplify right side
    18,725,290,250.24x = 242,624,105,613,455,523,840
  5. Step 5: Solve for x
    x = 242,624,105,613,455,523,840/18,725,290,250.24
  6. Step 6: Final answer
    x = 12,957,027,761.44

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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.