Home / 865,664,652.90-1,298,654,443.35-283,236,809.70

Finding the Fourth Proportional to 865,664,652.90, 1,298,654,443.35 and 283,236,809.70

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Solution

The fourth proportional to 865,664,652.90, 1,298,654,443.35 and 283,236,809.70 is: 424,906,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,664,652.90 : 1,298,654,443.35 = 283,236,809.70 : x
  2. Step 2: Convert to fraction form
    865,664,652.90/1,298,654,443.35 = 283,236,809.70/x
  3. Step 3: Cross multiply
    865,664,652.90x = 1,298,654,443.35 × 283,236,809.70
  4. Step 4: Simplify right side
    865,664,652.90x = 367,826,741,437,183,360
  5. Step 5: Solve for x
    x = 367,826,741,437,183,360/865,664,652.90
  6. Step 6: Final answer
    x = 424,906,735.19

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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.