Home / 1,372,658,867.32-1,894,476,299.94-837,121,225.39

Finding the Fourth Proportional to 1,372,658,867.32, 1,894,476,299.94 and 837,121,225.39

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Solution

The fourth proportional to 1,372,658,867.32, 1,894,476,299.94 and 837,121,225.39 is: 1,155,353,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,658,867.32 : 1,894,476,299.94 = 837,121,225.39 : x
  2. Step 2: Convert to fraction form
    1,372,658,867.32/1,894,476,299.94 = 837,121,225.39/x
  3. Step 3: Cross multiply
    1,372,658,867.32x = 1,894,476,299.94 × 837,121,225.39
  4. Step 4: Simplify right side
    1,372,658,867.32x = 1,585,906,321,675,993,088
  5. Step 5: Solve for x
    x = 1,585,906,321,675,993,088/1,372,658,867.32
  6. Step 6: Final answer
    x = 1,155,353,569.22

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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.