Home / 684,052,823.85-943,967,606.86-370,780,311.78

Finding the Fourth Proportional to 684,052,823.85, 943,967,606.86 and 370,780,311.78

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Solution

The fourth proportional to 684,052,823.85, 943,967,606.86 and 370,780,311.78 is: 511,663,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,823.85 : 943,967,606.86 = 370,780,311.78 : x
  2. Step 2: Convert to fraction form
    684,052,823.85/943,967,606.86 = 370,780,311.78/x
  3. Step 3: Cross multiply
    684,052,823.85x = 943,967,606.86 × 370,780,311.78
  4. Step 4: Simplify right side
    684,052,823.85x = 350,004,603,581,771,264
  5. Step 5: Solve for x
    x = 350,004,603,581,771,264/684,052,823.85
  6. Step 6: Final answer
    x = 511,663,122.17

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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.