Home / 318,460,136.32-477,518,961.48-187,347,736.72

Finding the Fourth Proportional to 318,460,136.32, 477,518,961.48 and 187,347,736.72

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Solution

The fourth proportional to 318,460,136.32, 477,518,961.48 and 187,347,736.72 is: 280,920,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460,136.32 : 477,518,961.48 = 187,347,736.72 : x
  2. Step 2: Convert to fraction form
    318,460,136.32/477,518,961.48 = 187,347,736.72/x
  3. Step 3: Cross multiply
    318,460,136.32x = 477,518,961.48 × 187,347,736.72
  4. Step 4: Simplify right side
    318,460,136.32x = 89,462,096,674,162,864
  5. Step 5: Solve for x
    x = 89,462,096,674,162,864/318,460,136.32
  6. Step 6: Final answer
    x = 280,920,864.09

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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.