Home / 955,246,812.60-1,432,870,218.90-309,014,556.60

Finding the Fourth Proportional to 955,246,812.60, 1,432,870,218.90 and 309,014,556.60

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Solution

The fourth proportional to 955,246,812.60, 1,432,870,218.90 and 309,014,556.60 is: 463,521,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,246,812.60 : 1,432,870,218.90 = 309,014,556.60 : x
  2. Step 2: Convert to fraction form
    955,246,812.60/1,432,870,218.90 = 309,014,556.60/x
  3. Step 3: Cross multiply
    955,246,812.60x = 1,432,870,218.90 × 309,014,556.60
  4. Step 4: Simplify right side
    955,246,812.60x = 442,777,755,358,728,512
  5. Step 5: Solve for x
    x = 442,777,755,358,728,512/955,246,812.60
  6. Step 6: Final answer
    x = 463,521,834.90

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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.