Home / 859,059,990.54-1,288,354,809.48-237,126,545.67

Finding the Fourth Proportional to 859,059,990.54, 1,288,354,809.48 and 237,126,545.67

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Solution

The fourth proportional to 859,059,990.54, 1,288,354,809.48 and 237,126,545.67 is: 355,624,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,059,990.54 : 1,288,354,809.48 = 237,126,545.67 : x
  2. Step 2: Convert to fraction form
    859,059,990.54/1,288,354,809.48 = 237,126,545.67/x
  3. Step 3: Cross multiply
    859,059,990.54x = 1,288,354,809.48 × 237,126,545.67
  4. Step 4: Simplify right side
    859,059,990.54x = 305,503,125,569,323,328
  5. Step 5: Solve for x
    x = 305,503,125,569,323,328/859,059,990.54
  6. Step 6: Final answer
    x = 355,624,902.72

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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.