Home / 438,824,581.19-605,578,731.39-237,880,834.19

Finding the Fourth Proportional to 438,824,581.19, 605,578,731.39 and 237,880,834.19

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Solution

The fourth proportional to 438,824,581.19, 605,578,731.39 and 237,880,834.19 is: 328,275,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,824,581.19 : 605,578,731.39 = 237,880,834.19 : x
  2. Step 2: Convert to fraction form
    438,824,581.19/605,578,731.39 = 237,880,834.19/x
  3. Step 3: Cross multiply
    438,824,581.19x = 605,578,731.39 × 237,880,834.19
  4. Step 4: Simplify right side
    438,824,581.19x = 144,055,573,787,747,248
  5. Step 5: Solve for x
    x = 144,055,573,787,747,248/438,824,581.19
  6. Step 6: Final answer
    x = 328,275,989.92

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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.