Home / 808,248,423.80-1,212,372,635.70-349,083,399.80

Finding the Fourth Proportional to 808,248,423.80, 1,212,372,635.70 and 349,083,399.80

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Solution

The fourth proportional to 808,248,423.80, 1,212,372,635.70 and 349,083,399.80 is: 523,625,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,248,423.80 : 1,212,372,635.70 = 349,083,399.80 : x
  2. Step 2: Convert to fraction form
    808,248,423.80/1,212,372,635.70 = 349,083,399.80/x
  3. Step 3: Cross multiply
    808,248,423.80x = 1,212,372,635.70 × 349,083,399.80
  4. Step 4: Simplify right side
    808,248,423.80x = 423,219,161,494,642,880
  5. Step 5: Solve for x
    x = 423,219,161,494,642,880/808,248,423.80
  6. Step 6: Final answer
    x = 523,625,099.70

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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.