Home / 492,078,749.20-738,118,123.80-492,078,749.20

Finding the Fourth Proportional to 492,078,749.20, 738,118,123.80 and 492,078,749.20

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Solution

The fourth proportional to 492,078,749.20, 738,118,123.80 and 492,078,749.20 is: 738,118,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,078,749.20 : 738,118,123.80 = 492,078,749.20 : x
  2. Step 2: Convert to fraction form
    492,078,749.20/738,118,123.80 = 492,078,749.20/x
  3. Step 3: Cross multiply
    492,078,749.20x = 738,118,123.80 × 492,078,749.20
  4. Step 4: Simplify right side
    492,078,749.20x = 363,212,243,121,354,688
  5. Step 5: Solve for x
    x = 363,212,243,121,354,688/492,078,749.20
  6. Step 6: Final answer
    x = 738,118,123.80

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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.