Home / 492,076,499.10-738,221,036.85-147,065,001.90

Finding the Fourth Proportional to 492,076,499.10, 738,221,036.85 and 147,065,001.90

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Solution

The fourth proportional to 492,076,499.10, 738,221,036.85 and 147,065,001.90 is: 220,629,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,076,499.10 : 738,221,036.85 = 147,065,001.90 : x
  2. Step 2: Convert to fraction form
    492,076,499.10/738,221,036.85 = 147,065,001.90/x
  3. Step 3: Cross multiply
    492,076,499.10x = 738,221,036.85 × 147,065,001.90
  4. Step 4: Simplify right side
    492,076,499.10x = 108,566,478,186,965,232
  5. Step 5: Solve for x
    x = 108,566,478,186,965,232/492,076,499.10
  6. Step 6: Final answer
    x = 220,629,268.79

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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.