Home / 383,719,212.80-575,578,819.20-266,817,939.20

Finding the Fourth Proportional to 383,719,212.80, 575,578,819.20 and 266,817,939.20

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Solution

The fourth proportional to 383,719,212.80, 575,578,819.20 and 266,817,939.20 is: 400,226,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,719,212.80 : 575,578,819.20 = 266,817,939.20 : x
  2. Step 2: Convert to fraction form
    383,719,212.80/575,578,819.20 = 266,817,939.20/x
  3. Step 3: Cross multiply
    383,719,212.80x = 575,578,819.20 × 266,817,939.20
  4. Step 4: Simplify right side
    383,719,212.80x = 153,574,754,386,113,408
  5. Step 5: Solve for x
    x = 153,574,754,386,113,408/383,719,212.80
  6. Step 6: Final answer
    x = 400,226,908.80

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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.