Home / 684,052,789.54-943,967,559.60-370,780,277.47

Finding the Fourth Proportional to 684,052,789.54, 943,967,559.60 and 370,780,277.47

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Solution

The fourth proportional to 684,052,789.54, 943,967,559.60 and 370,780,277.47 is: 511,663,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,789.54 : 943,967,559.60 = 370,780,277.47 : x
  2. Step 2: Convert to fraction form
    684,052,789.54/943,967,559.60 = 370,780,277.47/x
  3. Step 3: Cross multiply
    684,052,789.54x = 943,967,559.60 × 370,780,277.47
  4. Step 4: Simplify right side
    684,052,789.54x = 350,004,553,671,166,784
  5. Step 5: Solve for x
    x = 350,004,553,671,166,784/684,052,789.54
  6. Step 6: Final answer
    x = 511,663,074.87

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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.