Home / 463,806,809.55-640,068,983.28-273,033,403.92

Finding the Fourth Proportional to 463,806,809.55, 640,068,983.28 and 273,033,403.92

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Solution

The fourth proportional to 463,806,809.55, 640,068,983.28 and 273,033,403.92 is: 376,795,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,806,809.55 : 640,068,983.28 = 273,033,403.92 : x
  2. Step 2: Convert to fraction form
    463,806,809.55/640,068,983.28 = 273,033,403.92/x
  3. Step 3: Cross multiply
    463,806,809.55x = 640,068,983.28 × 273,033,403.92
  4. Step 4: Simplify right side
    463,806,809.55x = 174,760,213,248,551,968
  5. Step 5: Solve for x
    x = 174,760,213,248,551,968/463,806,809.55
  6. Step 6: Final answer
    x = 376,795,272.62

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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.