Home / 491,110,314.30-677,748,274.52-268,103,887.07

Finding the Fourth Proportional to 491,110,314.30, 677,748,274.52 and 268,103,887.07

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Solution

The fourth proportional to 491,110,314.30, 677,748,274.52 and 268,103,887.07 is: 369,992,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,110,314.30 : 677,748,274.52 = 268,103,887.07 : x
  2. Step 2: Convert to fraction form
    491,110,314.30/677,748,274.52 = 268,103,887.07/x
  3. Step 3: Cross multiply
    491,110,314.30x = 677,748,274.52 × 268,103,887.07
  4. Step 4: Simplify right side
    491,110,314.30x = 181,706,946,849,068,160
  5. Step 5: Solve for x
    x = 181,706,946,849,068,160/491,110,314.30
  6. Step 6: Final answer
    x = 369,992,121.03

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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.