Home / 3,989,088,065.80-5,983,632,098.70-2,657,509,496.20

Finding the Fourth Proportional to 3,989,088,065.80, 5,983,632,098.70 and 2,657,509,496.20

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Solution

The fourth proportional to 3,989,088,065.80, 5,983,632,098.70 and 2,657,509,496.20 is: 3,986,264,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,065.80 : 5,983,632,098.70 = 2,657,509,496.20 : x
  2. Step 2: Convert to fraction form
    3,989,088,065.80/5,983,632,098.70 = 2,657,509,496.20/x
  3. Step 3: Cross multiply
    3,989,088,065.80x = 5,983,632,098.70 × 2,657,509,496.20
  4. Step 4: Simplify right side
    3,989,088,065.80x = 15,901,559,124,062,384,128
  5. Step 5: Solve for x
    x = 15,901,559,124,062,384,128/3,989,088,065.80
  6. Step 6: Final answer
    x = 3,986,264,244.30

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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.