Home / 521,522,921,347.60-782,284,382,021.40-521,522,921,347.60

Finding the Fourth Proportional to 521,522,921,347.60, 782,284,382,021.40 and 521,522,921,347.60

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Solution

The fourth proportional to 521,522,921,347.60, 782,284,382,021.40 and 521,522,921,347.60 is: 782,284,382,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,522,921,347.60 : 782,284,382,021.40 = 521,522,921,347.60 : x
  2. Step 2: Convert to fraction form
    521,522,921,347.60/782,284,382,021.40 = 521,522,921,347.60/x
  3. Step 3: Cross multiply
    521,522,921,347.60x = 782,284,382,021.40 × 521,522,921,347.60
  4. Step 4: Simplify right side
    521,522,921,347.60x = 407,979,236,236,402,469,371,904
  5. Step 5: Solve for x
    x = 407,979,236,236,402,469,371,904/521,522,921,347.60
  6. Step 6: Final answer
    x = 782,284,382,021.40

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Double scale
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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.