Home / 1,435,419,964.80-2,154,137,716.80-618,118,819.20

Finding the Fourth Proportional to 1,435,419,964.80, 2,154,137,716.80 and 618,118,819.20

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Solution

The fourth proportional to 1,435,419,964.80, 2,154,137,716.80 and 618,118,819.20 is: 927,612,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,419,964.80 : 2,154,137,716.80 = 618,118,819.20 : x
  2. Step 2: Convert to fraction form
    1,435,419,964.80/2,154,137,716.80 = 618,118,819.20/x
  3. Step 3: Cross multiply
    1,435,419,964.80x = 2,154,137,716.80 × 618,118,819.20
  4. Step 4: Simplify right side
    1,435,419,964.80x = 1,331,513,061,902,600,192
  5. Step 5: Solve for x
    x = 1,331,513,061,902,600,192/1,435,419,964.80
  6. Step 6: Final answer
    x = 927,612,193.33

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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.