Home / 1,000,289,431.39-1,380,401,037.70-548,095,542.18

Finding the Fourth Proportional to 1,000,289,431.39, 1,380,401,037.70 and 548,095,542.18

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Solution

The fourth proportional to 1,000,289,431.39, 1,380,401,037.70 and 548,095,542.18 is: 756,372,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,289,431.39 : 1,380,401,037.70 = 548,095,542.18 : x
  2. Step 2: Convert to fraction form
    1,000,289,431.39/1,380,401,037.70 = 548,095,542.18/x
  3. Step 3: Cross multiply
    1,000,289,431.39x = 1,380,401,037.70 × 548,095,542.18
  4. Step 4: Simplify right side
    1,000,289,431.39x = 756,591,655,182,645,760
  5. Step 5: Solve for x
    x = 756,591,655,182,645,760/1,000,289,431.39
  6. Step 6: Final answer
    x = 756,372,737.17

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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.