Home / 342,411,162-513,314,408.88-261,991,147.92

Finding the Fourth Proportional to 342,411,162, 513,314,408.88 and 261,991,147.92

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Solution

The fourth proportional to 342,411,162, 513,314,408.88 and 261,991,147.92 is: 392,755,395.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,411,162 : 513,314,408.88 = 261,991,147.92 : x
  2. Step 2: Convert to fraction form
    342,411,162/513,314,408.88 = 261,991,147.92/x
  3. Step 3: Cross multiply
    342,411,162x = 513,314,408.88 × 261,991,147.92
  4. Step 4: Simplify right side
    342,411,162x = 134,483,831,226,347,440
  5. Step 5: Solve for x
    x = 134,483,831,226,347,440/342,411,162
  6. Step 6: Final answer
    x = 392,755,395.12

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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.