Home / 442,211,640,333.83-663,383,784,476.10-155,319,130,483.80

Finding the Fourth Proportional to 442,211,640,333.83, 663,383,784,476.10 and 155,319,130,483.80

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Solution

The fourth proportional to 442,211,640,333.83, 663,383,784,476.10 and 155,319,130,483.80 is: 233,001,990,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,211,640,333.83 : 663,383,784,476.10 = 155,319,130,483.80 : x
  2. Step 2: Convert to fraction form
    442,211,640,333.83/663,383,784,476.10 = 155,319,130,483.80/x
  3. Step 3: Cross multiply
    442,211,640,333.83x = 663,383,784,476.10 × 155,319,130,483.80
  4. Step 4: Simplify right side
    442,211,640,333.83x = 103,036,192,581,880,419,188,736
  5. Step 5: Solve for x
    x = 103,036,192,581,880,419,188,736/442,211,640,333.83
  6. Step 6: Final answer
    x = 233,001,990,865.95

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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.