Home / 719,523,395.46-992,949,131.28-422,170,696.74

Finding the Fourth Proportional to 719,523,395.46, 992,949,131.28 and 422,170,696.74

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Solution

The fourth proportional to 719,523,395.46, 992,949,131.28 and 422,170,696.74 is: 582,599,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,523,395.46 : 992,949,131.28 = 422,170,696.74 : x
  2. Step 2: Convert to fraction form
    719,523,395.46/992,949,131.28 = 422,170,696.74/x
  3. Step 3: Cross multiply
    719,523,395.46x = 992,949,131.28 × 422,170,696.74
  4. Step 4: Simplify right side
    719,523,395.46x = 419,194,026,579,855,296
  5. Step 5: Solve for x
    x = 419,194,026,579,855,296/719,523,395.46
  6. Step 6: Final answer
    x = 582,599,578.03

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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.