Home / 521,520,784,987.80-782,281,177,481.70-362,833,352,693.40

Finding the Fourth Proportional to 521,520,784,987.80, 782,281,177,481.70 and 362,833,352,693.40

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Solution

The fourth proportional to 521,520,784,987.80, 782,281,177,481.70 and 362,833,352,693.40 is: 544,250,029,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,784,987.80 : 782,281,177,481.70 = 362,833,352,693.40 : x
  2. Step 2: Convert to fraction form
    521,520,784,987.80/782,281,177,481.70 = 362,833,352,693.40/x
  3. Step 3: Cross multiply
    521,520,784,987.80x = 782,281,177,481.70 × 362,833,352,693.40
  4. Step 4: Simplify right side
    521,520,784,987.80x = 283,837,702,374,625,885,814,784
  5. Step 5: Solve for x
    x = 283,837,702,374,625,885,814,784/521,520,784,987.80
  6. Step 6: Final answer
    x = 544,250,029,040.10

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1.5x scale

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.