Home / 280,819,923.40-421,229,885.10-244,988,115.40

Finding the Fourth Proportional to 280,819,923.40, 421,229,885.10 and 244,988,115.40

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Solution

The fourth proportional to 280,819,923.40, 421,229,885.10 and 244,988,115.40 is: 367,482,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,819,923.40 : 421,229,885.10 = 244,988,115.40 : x
  2. Step 2: Convert to fraction form
    280,819,923.40/421,229,885.10 = 244,988,115.40/x
  3. Step 3: Cross multiply
    280,819,923.40x = 421,229,885.10 × 244,988,115.40
  4. Step 4: Simplify right side
    280,819,923.40x = 103,196,315,700,807,552
  5. Step 5: Solve for x
    x = 103,196,315,700,807,552/280,819,923.40
  6. Step 6: Final answer
    x = 367,482,173.10

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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.