Home / 457,552,957.95-631,492,102.98-279,040,410.63

Finding the Fourth Proportional to 457,552,957.95, 631,492,102.98 and 279,040,410.63

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Solution

The fourth proportional to 457,552,957.95, 631,492,102.98 and 279,040,410.63 is: 385,117,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,552,957.95 : 631,492,102.98 = 279,040,410.63 : x
  2. Step 2: Convert to fraction form
    457,552,957.95/631,492,102.98 = 279,040,410.63/x
  3. Step 3: Cross multiply
    457,552,957.95x = 631,492,102.98 × 279,040,410.63
  4. Step 4: Simplify right side
    457,552,957.95x = 176,211,815,725,141,440
  5. Step 5: Solve for x
    x = 176,211,815,725,141,440/457,552,957.95
  6. Step 6: Final answer
    x = 385,117,859.39

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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.