Home / 858,909,287.10-1,288,267,449.12-237,212,900.94

Finding the Fourth Proportional to 858,909,287.10, 1,288,267,449.12 and 237,212,900.94

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Solution

The fourth proportional to 858,909,287.10, 1,288,267,449.12 and 237,212,900.94 is: 355,792,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,909,287.10 : 1,288,267,449.12 = 237,212,900.94 : x
  2. Step 2: Convert to fraction form
    858,909,287.10/1,288,267,449.12 = 237,212,900.94/x
  3. Step 3: Cross multiply
    858,909,287.10x = 1,288,267,449.12 × 237,212,900.94
  4. Step 4: Simplify right side
    858,909,287.10x = 305,593,658,792,329,024
  5. Step 5: Solve for x
    x = 305,593,658,792,329,024/858,909,287.10
  6. Step 6: Final answer
    x = 355,792,705.22

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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.