Home / 1,448,086,994.40-2,172,130,491.60-867,611,704.80

Finding the Fourth Proportional to 1,448,086,994.40, 2,172,130,491.60 and 867,611,704.80

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Solution

The fourth proportional to 1,448,086,994.40, 2,172,130,491.60 and 867,611,704.80 is: 1,301,417,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,086,994.40 : 2,172,130,491.60 = 867,611,704.80 : x
  2. Step 2: Convert to fraction form
    1,448,086,994.40/2,172,130,491.60 = 867,611,704.80/x
  3. Step 3: Cross multiply
    1,448,086,994.40x = 2,172,130,491.60 × 867,611,704.80
  4. Step 4: Simplify right side
    1,448,086,994.40x = 1,884,565,838,865,137,920
  5. Step 5: Solve for x
    x = 1,884,565,838,865,137,920/1,448,086,994.40
  6. Step 6: Final answer
    x = 1,301,417,557.20

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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.