Home / 377,957,646.40-566,936,469.60-313,387,564.90

Finding the Fourth Proportional to 377,957,646.40, 566,936,469.60 and 313,387,564.90

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Solution

The fourth proportional to 377,957,646.40, 566,936,469.60 and 313,387,564.90 is: 470,081,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,957,646.40 : 566,936,469.60 = 313,387,564.90 : x
  2. Step 2: Convert to fraction form
    377,957,646.40/566,936,469.60 = 313,387,564.90/x
  3. Step 3: Cross multiply
    377,957,646.40x = 566,936,469.60 × 313,387,564.90
  4. Step 4: Simplify right side
    377,957,646.40x = 177,670,839,660,946,880
  5. Step 5: Solve for x
    x = 177,670,839,660,946,880/377,957,646.40
  6. Step 6: Final answer
    x = 470,081,347.35

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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.