Home / 262,332,520.60-393,498,780.90-258,506,145.40

Finding the Fourth Proportional to 262,332,520.60, 393,498,780.90 and 258,506,145.40

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Solution

The fourth proportional to 262,332,520.60, 393,498,780.90 and 258,506,145.40 is: 387,759,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,332,520.60 : 393,498,780.90 = 258,506,145.40 : x
  2. Step 2: Convert to fraction form
    262,332,520.60/393,498,780.90 = 258,506,145.40/x
  3. Step 3: Cross multiply
    262,332,520.60x = 393,498,780.90 × 258,506,145.40
  4. Step 4: Simplify right side
    262,332,520.60x = 101,721,853,070,058,144
  5. Step 5: Solve for x
    x = 101,721,853,070,058,144/262,332,520.60
  6. Step 6: Final answer
    x = 387,759,218.10

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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.