Home / 492,150,898.80-738,509,783.40-185,662,969.20

Finding the Fourth Proportional to 492,150,898.80, 738,509,783.40 and 185,662,969.20

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Solution

The fourth proportional to 492,150,898.80, 738,509,783.40 and 185,662,969.20 is: 278,601,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,150,898.80 : 738,509,783.40 = 185,662,969.20 : x
  2. Step 2: Convert to fraction form
    492,150,898.80/738,509,783.40 = 185,662,969.20/x
  3. Step 3: Cross multiply
    492,150,898.80x = 738,509,783.40 × 185,662,969.20
  4. Step 4: Simplify right side
    492,150,898.80x = 137,113,919,169,292,864
  5. Step 5: Solve for x
    x = 137,113,919,169,292,864/492,150,898.80
  6. Step 6: Final answer
    x = 278,601,379.18

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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.