Home / 313,744,915.35-470,674,833.15-129,411,835.67

Finding the Fourth Proportional to 313,744,915.35, 470,674,833.15 and 129,411,835.67

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Solution

The fourth proportional to 313,744,915.35, 470,674,833.15 and 129,411,835.67 is: 194,141,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,744,915.35 : 470,674,833.15 = 129,411,835.67 : x
  2. Step 2: Convert to fraction form
    313,744,915.35/470,674,833.15 = 129,411,835.67/x
  3. Step 3: Cross multiply
    313,744,915.35x = 470,674,833.15 × 129,411,835.67
  4. Step 4: Simplify right side
    313,744,915.35x = 60,910,894,162,522,328
  5. Step 5: Solve for x
    x = 60,910,894,162,522,328/313,744,915.35
  6. Step 6: Final answer
    x = 194,141,454.35

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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.