Home / 331,138,240.60-496,707,360.90-298,889,613.40

Finding the Fourth Proportional to 331,138,240.60, 496,707,360.90 and 298,889,613.40

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Solution

The fourth proportional to 331,138,240.60, 496,707,360.90 and 298,889,613.40 is: 448,334,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,138,240.60 : 496,707,360.90 = 298,889,613.40 : x
  2. Step 2: Convert to fraction form
    331,138,240.60/496,707,360.90 = 298,889,613.40/x
  3. Step 3: Cross multiply
    331,138,240.60x = 496,707,360.90 × 298,889,613.40
  4. Step 4: Simplify right side
    331,138,240.60x = 148,460,671,072,335,264
  5. Step 5: Solve for x
    x = 148,460,671,072,335,264/331,138,240.60
  6. Step 6: Final answer
    x = 448,334,420.10

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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.