Home / 398,302,849.14-597,113,496.99-152,835,637.74

Finding the Fourth Proportional to 398,302,849.14, 597,113,496.99 and 152,835,637.74

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Solution

The fourth proportional to 398,302,849.14, 597,113,496.99 and 152,835,637.74 is: 229,122,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,302,849.14 : 597,113,496.99 = 152,835,637.74 : x
  2. Step 2: Convert to fraction form
    398,302,849.14/597,113,496.99 = 152,835,637.74/x
  3. Step 3: Cross multiply
    398,302,849.14x = 597,113,496.99 × 152,835,637.74
  4. Step 4: Simplify right side
    398,302,849.14x = 91,260,222,115,628,224
  5. Step 5: Solve for x
    x = 91,260,222,115,628,224/398,302,849.14
  6. Step 6: Final answer
    x = 229,122,694.74

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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.