Home / 816,281,197.78-1,126,457,295.33-459,048,868.51

Finding the Fourth Proportional to 816,281,197.78, 1,126,457,295.33 and 459,048,868.51

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Solution

The fourth proportional to 816,281,197.78, 1,126,457,295.33 and 459,048,868.51 is: 633,481,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,281,197.78 : 1,126,457,295.33 = 459,048,868.51 : x
  2. Step 2: Convert to fraction form
    816,281,197.78/1,126,457,295.33 = 459,048,868.51/x
  3. Step 3: Cross multiply
    816,281,197.78x = 1,126,457,295.33 × 459,048,868.51
  4. Step 4: Simplify right side
    816,281,197.78x = 517,098,946,846,071,360
  5. Step 5: Solve for x
    x = 517,098,946,846,071,360/816,281,197.78
  6. Step 6: Final answer
    x = 633,481,388.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.