Home / 516,224,324.36-712,389,670.12-281,274,984.84

Finding the Fourth Proportional to 516,224,324.36, 712,389,670.12 and 281,274,984.84

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Solution

The fourth proportional to 516,224,324.36, 712,389,670.12 and 281,274,984.84 is: 388,159,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,324.36 : 712,389,670.12 = 281,274,984.84 : x
  2. Step 2: Convert to fraction form
    516,224,324.36/712,389,670.12 = 281,274,984.84/x
  3. Step 3: Cross multiply
    516,224,324.36x = 712,389,670.12 × 281,274,984.84
  4. Step 4: Simplify right side
    516,224,324.36x = 200,377,393,663,175,584
  5. Step 5: Solve for x
    x = 200,377,393,663,175,584/516,224,324.36
  6. Step 6: Final answer
    x = 388,159,534.93

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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.