Home / 457,552,955.69-631,492,099.86-279,040,408.38

Finding the Fourth Proportional to 457,552,955.69, 631,492,099.86 and 279,040,408.38

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Solution

The fourth proportional to 457,552,955.69, 631,492,099.86 and 279,040,408.38 is: 385,117,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,552,955.69 : 631,492,099.86 = 279,040,408.38 : x
  2. Step 2: Convert to fraction form
    457,552,955.69/631,492,099.86 = 279,040,408.38/x
  3. Step 3: Cross multiply
    457,552,955.69x = 631,492,099.86 × 279,040,408.38
  4. Step 4: Simplify right side
    457,552,955.69x = 176,211,813,434,724,544
  5. Step 5: Solve for x
    x = 176,211,813,434,724,544/457,552,955.69
  6. Step 6: Final answer
    x = 385,117,856.29

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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.