Home / 492,281,661.78-738,149,883.12-201,353,080.50

Finding the Fourth Proportional to 492,281,661.78, 738,149,883.12 and 201,353,080.50

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Solution

The fourth proportional to 492,281,661.78, 738,149,883.12 and 201,353,080.50 is: 301,918,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,281,661.78 : 738,149,883.12 = 201,353,080.50 : x
  2. Step 2: Convert to fraction form
    492,281,661.78/738,149,883.12 = 201,353,080.50/x
  3. Step 3: Cross multiply
    492,281,661.78x = 738,149,883.12 × 201,353,080.50
  4. Step 4: Simplify right side
    492,281,661.78x = 148,628,752,836,926,944
  5. Step 5: Solve for x
    x = 148,628,752,836,926,944/492,281,661.78
  6. Step 6: Final answer
    x = 301,918,117.97

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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.