Home / 3,989,088,082.80-5,983,632,124.20-2,657,509,513.20

Finding the Fourth Proportional to 3,989,088,082.80, 5,983,632,124.20 and 2,657,509,513.20

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Solution

The fourth proportional to 3,989,088,082.80, 5,983,632,124.20 and 2,657,509,513.20 is: 3,986,264,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,082.80 : 5,983,632,124.20 = 2,657,509,513.20 : x
  2. Step 2: Convert to fraction form
    3,989,088,082.80/5,983,632,124.20 = 2,657,509,513.20/x
  3. Step 3: Cross multiply
    3,989,088,082.80x = 5,983,632,124.20 × 2,657,509,513.20
  4. Step 4: Simplify right side
    3,989,088,082.80x = 15,901,559,293,550,622,720
  5. Step 5: Solve for x
    x = 15,901,559,293,550,622,720/3,989,088,082.80
  6. Step 6: Final answer
    x = 3,986,264,269.80

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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.