Home / 684,052,792.29-943,967,563.38-370,780,280.19

Finding the Fourth Proportional to 684,052,792.29, 943,967,563.38 and 370,780,280.19

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Solution

The fourth proportional to 684,052,792.29, 943,967,563.38 and 370,780,280.19 is: 511,663,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,792.29 : 943,967,563.38 = 370,780,280.19 : x
  2. Step 2: Convert to fraction form
    684,052,792.29/943,967,563.38 = 370,780,280.19/x
  3. Step 3: Cross multiply
    684,052,792.29x = 943,967,563.38 × 370,780,280.19
  4. Step 4: Simplify right side
    684,052,792.29x = 350,004,557,640,307,968
  5. Step 5: Solve for x
    x = 350,004,557,640,307,968/684,052,792.29
  6. Step 6: Final answer
    x = 511,663,078.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.