Home / 479,742,800-719,154,482.88-203,013,338.72

Finding the Fourth Proportional to 479,742,800, 719,154,482.88 and 203,013,338.72

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Solution

The fourth proportional to 479,742,800, 719,154,482.88 and 203,013,338.72 is: 304,325,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,742,800 : 719,154,482.88 = 203,013,338.72 : x
  2. Step 2: Convert to fraction form
    479,742,800/719,154,482.88 = 203,013,338.72/x
  3. Step 3: Cross multiply
    479,742,800x = 719,154,482.88 × 203,013,338.72
  4. Step 4: Simplify right side
    479,742,800x = 145,997,952,624,923,872
  5. Step 5: Solve for x
    x = 145,997,952,624,923,872/479,742,800
  6. Step 6: Final answer
    x = 304,325,469.03

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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.