Home / 12,994,381,816.46-17,932,352,195.95-7,200,781,997.05

Finding the Fourth Proportional to 12,994,381,816.46, 17,932,352,195.95 and 7,200,781,997.05

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Solution

The fourth proportional to 12,994,381,816.46, 17,932,352,195.95 and 7,200,781,997.05 is: 9,937,137,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,381,816.46 : 17,932,352,195.95 = 7,200,781,997.05 : x
  2. Step 2: Convert to fraction form
    12,994,381,816.46/17,932,352,195.95 = 7,200,781,997.05/x
  3. Step 3: Cross multiply
    12,994,381,816.46x = 17,932,352,195.95 × 7,200,781,997.05
  4. Step 4: Simplify right side
    12,994,381,816.46x = 129,126,958,857,358,688,256
  5. Step 5: Solve for x
    x = 129,126,958,857,358,688,256/12,994,381,816.46
  6. Step 6: Final answer
    x = 9,937,137,501.51

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Double scale
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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.