Home / 1,922,617,868.20-2,883,926,802.30-1,276,385,612.20

Finding the Fourth Proportional to 1,922,617,868.20, 2,883,926,802.30 and 1,276,385,612.20

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Solution

The fourth proportional to 1,922,617,868.20, 2,883,926,802.30 and 1,276,385,612.20 is: 1,914,578,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,617,868.20 : 2,883,926,802.30 = 1,276,385,612.20 : x
  2. Step 2: Convert to fraction form
    1,922,617,868.20/2,883,926,802.30 = 1,276,385,612.20/x
  3. Step 3: Cross multiply
    1,922,617,868.20x = 2,883,926,802.30 × 1,276,385,612.20
  4. Step 4: Simplify right side
    1,922,617,868.20x = 3,681,002,677,093,674,496
  5. Step 5: Solve for x
    x = 3,681,002,677,093,674,496/1,922,617,868.20
  6. Step 6: Final answer
    x = 1,914,578,418.30

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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.