Home / 371,311,608.20-556,967,412.30-187,007,869.40

Finding the Fourth Proportional to 371,311,608.20, 556,967,412.30 and 187,007,869.40

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Solution

The fourth proportional to 371,311,608.20, 556,967,412.30 and 187,007,869.40 is: 280,511,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,311,608.20 : 556,967,412.30 = 187,007,869.40 : x
  2. Step 2: Convert to fraction form
    371,311,608.20/556,967,412.30 = 187,007,869.40/x
  3. Step 3: Cross multiply
    371,311,608.20x = 556,967,412.30 × 187,007,869.40
  4. Step 4: Simplify right side
    371,311,608.20x = 104,157,289,099,454,352
  5. Step 5: Solve for x
    x = 104,157,289,099,454,352/371,311,608.20
  6. Step 6: Final answer
    x = 280,511,804.10

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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.