Home / 260,253,000.45-390,379,500.68-248,773,874.85

Finding the Fourth Proportional to 260,253,000.45, 390,379,500.68 and 248,773,874.85

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Solution

The fourth proportional to 260,253,000.45, 390,379,500.68 and 248,773,874.85 is: 373,160,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,253,000.45 : 390,379,500.68 = 248,773,874.85 : x
  2. Step 2: Convert to fraction form
    260,253,000.45/390,379,500.68 = 248,773,874.85/x
  3. Step 3: Cross multiply
    260,253,000.45x = 390,379,500.68 × 248,773,874.85
  4. Step 4: Simplify right side
    260,253,000.45x = 97,116,221,044,927,936
  5. Step 5: Solve for x
    x = 97,116,221,044,927,936/260,253,000.45
  6. Step 6: Final answer
    x = 373,160,812.28

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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.