Home / 684,052,824.85-943,967,608.24-370,780,312.78

Finding the Fourth Proportional to 684,052,824.85, 943,967,608.24 and 370,780,312.78

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Solution

The fourth proportional to 684,052,824.85, 943,967,608.24 and 370,780,312.78 is: 511,663,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,824.85 : 943,967,608.24 = 370,780,312.78 : x
  2. Step 2: Convert to fraction form
    684,052,824.85/943,967,608.24 = 370,780,312.78/x
  3. Step 3: Cross multiply
    684,052,824.85x = 943,967,608.24 × 370,780,312.78
  4. Step 4: Simplify right side
    684,052,824.85x = 350,004,605,037,415,680
  5. Step 5: Solve for x
    x = 350,004,605,037,415,680/684,052,824.85
  6. Step 6: Final answer
    x = 511,663,123.55

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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.