Home / 492,076,507.60-738,221,049.60-147,065,010.40

Finding the Fourth Proportional to 492,076,507.60, 738,221,049.60 and 147,065,010.40

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Solution

The fourth proportional to 492,076,507.60, 738,221,049.60 and 147,065,010.40 is: 220,629,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,076,507.60 : 738,221,049.60 = 147,065,010.40 : x
  2. Step 2: Convert to fraction form
    492,076,507.60/738,221,049.60 = 147,065,010.40/x
  3. Step 3: Cross multiply
    492,076,507.60x = 738,221,049.60 × 147,065,010.40
  4. Step 4: Simplify right side
    492,076,507.60x = 108,566,486,336,922,928
  5. Step 5: Solve for x
    x = 108,566,486,336,922,928/492,076,507.60
  6. Step 6: Final answer
    x = 220,629,281.54

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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.