Home / 457,552,937.25-631,492,074.45-279,040,389.93

Finding the Fourth Proportional to 457,552,937.25, 631,492,074.45 and 279,040,389.93

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Solution

The fourth proportional to 457,552,937.25, 631,492,074.45 and 279,040,389.93 is: 385,117,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,552,937.25 : 631,492,074.45 = 279,040,389.93 : x
  2. Step 2: Convert to fraction form
    457,552,937.25/631,492,074.45 = 279,040,389.93/x
  3. Step 3: Cross multiply
    457,552,937.25x = 631,492,074.45 × 279,040,389.93
  4. Step 4: Simplify right side
    457,552,937.25x = 176,211,794,692,232,608
  5. Step 5: Solve for x
    x = 176,211,794,692,232,608/457,552,937.25
  6. Step 6: Final answer
    x = 385,117,830.85

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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.