Home / 645,112,826.24-967,666,477.50-178,772,918.18

Finding the Fourth Proportional to 645,112,826.24, 967,666,477.50 and 178,772,918.18

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Solution

The fourth proportional to 645,112,826.24, 967,666,477.50 and 178,772,918.18 is: 268,158,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,112,826.24 : 967,666,477.50 = 178,772,918.18 : x
  2. Step 2: Convert to fraction form
    645,112,826.24/967,666,477.50 = 178,772,918.18/x
  3. Step 3: Cross multiply
    645,112,826.24x = 967,666,477.50 × 178,772,918.18
  4. Step 4: Simplify right side
    645,112,826.24x = 172,992,560,007,636,320
  5. Step 5: Solve for x
    x = 172,992,560,007,636,320/645,112,826.24
  6. Step 6: Final answer
    x = 268,158,611.91

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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.