Home / 783,631,882.72-1,175,617,885.38-238,359,244.96

Finding the Fourth Proportional to 783,631,882.72, 1,175,617,885.38 and 238,359,244.96

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Solution

The fourth proportional to 783,631,882.72, 1,175,617,885.38 and 238,359,244.96 is: 357,590,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,631,882.72 : 1,175,617,885.38 = 238,359,244.96 : x
  2. Step 2: Convert to fraction form
    783,631,882.72/1,175,617,885.38 = 238,359,244.96/x
  3. Step 3: Cross multiply
    783,631,882.72x = 1,175,617,885.38 × 238,359,244.96
  4. Step 4: Simplify right side
    783,631,882.72x = 280,219,391,520,648,672
  5. Step 5: Solve for x
    x = 280,219,391,520,648,672/783,631,882.72
  6. Step 6: Final answer
    x = 357,590,595.41

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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.