Home / 746,966,360,768.57-1,120,517,918,788-209,740,700,992.57

Finding the Fourth Proportional to 746,966,360,768.57, 1,120,517,918,788 and 209,740,700,992.57

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Solution

The fourth proportional to 746,966,360,768.57, 1,120,517,918,788 and 209,740,700,992.57 is: 314,630,251,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,966,360,768.57 : 1,120,517,918,788 = 209,740,700,992.57 : x
  2. Step 2: Convert to fraction form
    746,966,360,768.57/1,120,517,918,788 = 209,740,700,992.57/x
  3. Step 3: Cross multiply
    746,966,360,768.57x = 1,120,517,918,788 × 209,740,700,992.57
  4. Step 4: Simplify right side
    746,966,360,768.57x = 235,018,213,761,330,750,423,040
  5. Step 5: Solve for x
    x = 235,018,213,761,330,750,423,040/746,966,360,768.57
  6. Step 6: Final answer
    x = 314,630,251,246.54

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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.