Home / 442,211,640,331.91-663,383,784,473.25-155,319,130,481.92

Finding the Fourth Proportional to 442,211,640,331.91, 663,383,784,473.25 and 155,319,130,481.92

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Solution

The fourth proportional to 442,211,640,331.91, 663,383,784,473.25 and 155,319,130,481.92 is: 233,001,990,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,211,640,331.91 : 663,383,784,473.25 = 155,319,130,481.92 : x
  2. Step 2: Convert to fraction form
    442,211,640,331.91/663,383,784,473.25 = 155,319,130,481.92/x
  3. Step 3: Cross multiply
    442,211,640,331.91x = 663,383,784,473.25 × 155,319,130,481.92
  4. Step 4: Simplify right side
    442,211,640,331.91x = 103,036,192,580,190,617,993,216
  5. Step 5: Solve for x
    x = 103,036,192,580,190,617,993,216/442,211,640,331.91
  6. Step 6: Final answer
    x = 233,001,990,863.14

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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.