Home / 330,210,348.57-455,663,194.74-194,399,028.81

Finding the Fourth Proportional to 330,210,348.57, 455,663,194.74 and 194,399,028.81

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Solution

The fourth proportional to 330,210,348.57, 455,663,194.74 and 194,399,028.81 is: 268,254,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,210,348.57 : 455,663,194.74 = 194,399,028.81 : x
  2. Step 2: Convert to fraction form
    330,210,348.57/455,663,194.74 = 194,399,028.81/x
  3. Step 3: Cross multiply
    330,210,348.57x = 455,663,194.74 × 194,399,028.81
  4. Step 4: Simplify right side
    330,210,348.57x = 88,580,482,521,917,904
  5. Step 5: Solve for x
    x = 88,580,482,521,917,904/330,210,348.57
  6. Step 6: Final answer
    x = 268,254,713.72

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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.