Home / 492,153,313.20-738,135,491.40-147,118,196.40

Finding the Fourth Proportional to 492,153,313.20, 738,135,491.40 and 147,118,196.40

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Solution

The fourth proportional to 492,153,313.20, 738,135,491.40 and 147,118,196.40 is: 220,649,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,153,313.20 : 738,135,491.40 = 147,118,196.40 : x
  2. Step 2: Convert to fraction form
    492,153,313.20/738,135,491.40 = 147,118,196.40/x
  3. Step 3: Cross multiply
    492,153,313.20x = 738,135,491.40 × 147,118,196.40
  4. Step 4: Simplify right side
    492,153,313.20x = 108,593,162,193,595,712
  5. Step 5: Solve for x
    x = 108,593,162,193,595,712/492,153,313.20
  6. Step 6: Final answer
    x = 220,649,052.40

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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.