Home / 520,673,416.07-718,550,030.43-285,732,484.34

Finding the Fourth Proportional to 520,673,416.07, 718,550,030.43 and 285,732,484.34

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Solution

The fourth proportional to 520,673,416.07, 718,550,030.43 and 285,732,484.34 is: 394,322,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,673,416.07 : 718,550,030.43 = 285,732,484.34 : x
  2. Step 2: Convert to fraction form
    520,673,416.07/718,550,030.43 = 285,732,484.34/x
  3. Step 3: Cross multiply
    520,673,416.07x = 718,550,030.43 × 285,732,484.34
  4. Step 4: Simplify right side
    520,673,416.07x = 205,313,085,313,753,728
  5. Step 5: Solve for x
    x = 205,313,085,313,753,728/520,673,416.07
  6. Step 6: Final answer
    x = 394,322,196.95

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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.