Home / 400,170,397.87-600,285,870.13-123,849,559.75

Finding the Fourth Proportional to 400,170,397.87, 600,285,870.13 and 123,849,559.75

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Solution

The fourth proportional to 400,170,397.87, 600,285,870.13 and 123,849,559.75 is: 185,783,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,170,397.87 : 600,285,870.13 = 123,849,559.75 : x
  2. Step 2: Convert to fraction form
    400,170,397.87/600,285,870.13 = 123,849,559.75/x
  3. Step 3: Cross multiply
    400,170,397.87x = 600,285,870.13 × 123,849,559.75
  4. Step 4: Simplify right side
    400,170,397.87x = 74,345,140,739,126,928
  5. Step 5: Solve for x
    x = 74,345,140,739,126,928/400,170,397.87
  6. Step 6: Final answer
    x = 185,783,708.98

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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.