Home / 2,159,618,666.80-3,239,428,000.20-1,424,954,628.40

Finding the Fourth Proportional to 2,159,618,666.80, 3,239,428,000.20 and 1,424,954,628.40

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Solution

The fourth proportional to 2,159,618,666.80, 3,239,428,000.20 and 1,424,954,628.40 is: 2,137,431,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,618,666.80 : 3,239,428,000.20 = 1,424,954,628.40 : x
  2. Step 2: Convert to fraction form
    2,159,618,666.80/3,239,428,000.20 = 1,424,954,628.40/x
  3. Step 3: Cross multiply
    2,159,618,666.80x = 3,239,428,000.20 × 1,424,954,628.40
  4. Step 4: Simplify right side
    2,159,618,666.80x = 4,616,037,922,253,546,496
  5. Step 5: Solve for x
    x = 4,616,037,922,253,546,496/2,159,618,666.80
  6. Step 6: Final answer
    x = 2,137,431,942.60

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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.