Home / 1,940,370,285.54-2,909,391,849.80-889,792,395.71

Finding the Fourth Proportional to 1,940,370,285.54, 2,909,391,849.80 and 889,792,395.71

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Solution

The fourth proportional to 1,940,370,285.54, 2,909,391,849.80 and 889,792,395.71 is: 1,334,155,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,370,285.54 : 2,909,391,849.80 = 889,792,395.71 : x
  2. Step 2: Convert to fraction form
    1,940,370,285.54/2,909,391,849.80 = 889,792,395.71/x
  3. Step 3: Cross multiply
    1,940,370,285.54x = 2,909,391,849.80 × 889,792,395.71
  4. Step 4: Simplify right side
    1,940,370,285.54x = 2,588,754,744,076,986,880
  5. Step 5: Solve for x
    x = 2,588,754,744,076,986,880/1,940,370,285.54
  6. Step 6: Final answer
    x = 1,334,155,013.29

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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.