Home / 517,493,478,381.15-776,239,176,622.05-486,002,372,744.54

Finding the Fourth Proportional to 517,493,478,381.15, 776,239,176,622.05 and 486,002,372,744.54

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Solution

The fourth proportional to 517,493,478,381.15, 776,239,176,622.05 and 486,002,372,744.54 is: 729,002,581,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,493,478,381.15 : 776,239,176,622.05 = 486,002,372,744.54 : x
  2. Step 2: Convert to fraction form
    517,493,478,381.15/776,239,176,622.05 = 486,002,372,744.54/x
  3. Step 3: Cross multiply
    517,493,478,381.15x = 776,239,176,622.05 × 486,002,372,744.54
  4. Step 4: Simplify right side
    517,493,478,381.15x = 377,254,081,655,584,384,352,256
  5. Step 5: Solve for x
    x = 377,254,081,655,584,384,352,256/517,493,478,381.15
  6. Step 6: Final answer
    x = 729,002,581,512.20

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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.