Home / 521,520,777,312.40-782,281,165,968.60-501,684,848,275.60

Finding the Fourth Proportional to 521,520,777,312.40, 782,281,165,968.60 and 501,684,848,275.60

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Solution

The fourth proportional to 521,520,777,312.40, 782,281,165,968.60 and 501,684,848,275.60 is: 752,527,272,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,777,312.40 : 782,281,165,968.60 = 501,684,848,275.60 : x
  2. Step 2: Convert to fraction form
    521,520,777,312.40/782,281,165,968.60 = 501,684,848,275.60/x
  3. Step 3: Cross multiply
    521,520,777,312.40x = 782,281,165,968.60 × 501,684,848,275.60
  4. Step 4: Simplify right side
    521,520,777,312.40x = 392,458,608,057,816,545,492,992
  5. Step 5: Solve for x
    x = 392,458,608,057,816,545,492,992/521,520,777,312.40
  6. Step 6: Final answer
    x = 752,527,272,413.40

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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.