Home / 285,814,061.84-394,277,979.89-186,752,720.72

Finding the Fourth Proportional to 285,814,061.84, 394,277,979.89 and 186,752,720.72

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Solution

The fourth proportional to 285,814,061.84, 394,277,979.89 and 186,752,720.72 is: 257,623,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,814,061.84 : 394,277,979.89 = 186,752,720.72 : x
  2. Step 2: Convert to fraction form
    285,814,061.84/394,277,979.89 = 186,752,720.72/x
  3. Step 3: Cross multiply
    285,814,061.84x = 394,277,979.89 × 186,752,720.72
  4. Step 4: Simplify right side
    285,814,061.84x = 73,632,485,461,537,792
  5. Step 5: Solve for x
    x = 73,632,485,461,537,792/285,814,061.84
  6. Step 6: Final answer
    x = 257,623,732.68

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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.