Home / 782,207,751.07-1,172,582,211.48-264,275,981.29

Finding the Fourth Proportional to 782,207,751.07, 1,172,582,211.48 and 264,275,981.29

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Solution

The fourth proportional to 782,207,751.07, 1,172,582,211.48 and 264,275,981.29 is: 396,167,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,207,751.07 : 1,172,582,211.48 = 264,275,981.29 : x
  2. Step 2: Convert to fraction form
    782,207,751.07/1,172,582,211.48 = 264,275,981.29/x
  3. Step 3: Cross multiply
    782,207,751.07x = 1,172,582,211.48 × 264,275,981.29
  4. Step 4: Simplify right side
    782,207,751.07x = 309,885,314,582,075,328
  5. Step 5: Solve for x
    x = 309,885,314,582,075,328/782,207,751.07
  6. Step 6: Final answer
    x = 396,167,532.42

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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.