Home / 334,389,783.09-501,385,993.11-127,143,348.78

Finding the Fourth Proportional to 334,389,783.09, 501,385,993.11 and 127,143,348.78

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Solution

The fourth proportional to 334,389,783.09, 501,385,993.11 and 127,143,348.78 is: 190,639,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,389,783.09 : 501,385,993.11 = 127,143,348.78 : x
  2. Step 2: Convert to fraction form
    334,389,783.09/501,385,993.11 = 127,143,348.78/x
  3. Step 3: Cross multiply
    334,389,783.09x = 501,385,993.11 × 127,143,348.78
  4. Step 4: Simplify right side
    334,389,783.09x = 63,747,894,195,391,408
  5. Step 5: Solve for x
    x = 63,747,894,195,391,408/334,389,783.09
  6. Step 6: Final answer
    x = 190,639,479.49

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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.