Home / 383,013,309.80-574,519,964.70-266,112,036.20

Finding the Fourth Proportional to 383,013,309.80, 574,519,964.70 and 266,112,036.20

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Solution

The fourth proportional to 383,013,309.80, 574,519,964.70 and 266,112,036.20 is: 399,168,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,013,309.80 : 574,519,964.70 = 266,112,036.20 : x
  2. Step 2: Convert to fraction form
    383,013,309.80/574,519,964.70 = 266,112,036.20/x
  3. Step 3: Cross multiply
    383,013,309.80x = 574,519,964.70 × 266,112,036.20
  4. Step 4: Simplify right side
    383,013,309.80x = 152,886,677,643,869,120
  5. Step 5: Solve for x
    x = 152,886,677,643,869,120/383,013,309.80
  6. Step 6: Final answer
    x = 399,168,054.30

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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.