Home / 684,052,790.54-943,967,560.98-370,780,278.47

Finding the Fourth Proportional to 684,052,790.54, 943,967,560.98 and 370,780,278.47

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Solution

The fourth proportional to 684,052,790.54, 943,967,560.98 and 370,780,278.47 is: 511,663,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,790.54 : 943,967,560.98 = 370,780,278.47 : x
  2. Step 2: Convert to fraction form
    684,052,790.54/943,967,560.98 = 370,780,278.47/x
  3. Step 3: Cross multiply
    684,052,790.54x = 943,967,560.98 × 370,780,278.47
  4. Step 4: Simplify right side
    684,052,790.54x = 350,004,555,126,811,136
  5. Step 5: Solve for x
    x = 350,004,555,126,811,136/684,052,790.54
  6. Step 6: Final answer
    x = 511,663,076.25

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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.