Home / 1,372,658,867.07-1,894,476,299.59-837,121,225.14

Finding the Fourth Proportional to 1,372,658,867.07, 1,894,476,299.59 and 837,121,225.14

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Solution

The fourth proportional to 1,372,658,867.07, 1,894,476,299.59 and 837,121,225.14 is: 1,155,353,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,658,867.07 : 1,894,476,299.59 = 837,121,225.14 : x
  2. Step 2: Convert to fraction form
    1,372,658,867.07/1,894,476,299.59 = 837,121,225.14/x
  3. Step 3: Cross multiply
    1,372,658,867.07x = 1,894,476,299.59 × 837,121,225.14
  4. Step 4: Simplify right side
    1,372,658,867.07x = 1,585,906,320,912,478,976
  5. Step 5: Solve for x
    x = 1,585,906,320,912,478,976/1,372,658,867.07
  6. Step 6: Final answer
    x = 1,155,353,568.87

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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.