Home / 1,055,585,129.80-1,583,377,694.70-289,680,233.80

Finding the Fourth Proportional to 1,055,585,129.80, 1,583,377,694.70 and 289,680,233.80

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Solution

The fourth proportional to 1,055,585,129.80, 1,583,377,694.70 and 289,680,233.80 is: 434,520,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,585,129.80 : 1,583,377,694.70 = 289,680,233.80 : x
  2. Step 2: Convert to fraction form
    1,055,585,129.80/1,583,377,694.70 = 289,680,233.80/x
  3. Step 3: Cross multiply
    1,055,585,129.80x = 1,583,377,694.70 × 289,680,233.80
  4. Step 4: Simplify right side
    1,055,585,129.80x = 458,673,220,794,401,024
  5. Step 5: Solve for x
    x = 458,673,220,794,401,024/1,055,585,129.80
  6. Step 6: Final answer
    x = 434,520,350.70

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Double scale
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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.