Home / 538,888,440.95-808,327,272.61-170,423,455.96

Finding the Fourth Proportional to 538,888,440.95, 808,327,272.61 and 170,423,455.96

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Solution

The fourth proportional to 538,888,440.95, 808,327,272.61 and 170,423,455.96 is: 255,633,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,888,440.95 : 808,327,272.61 = 170,423,455.96 : x
  2. Step 2: Convert to fraction form
    538,888,440.95/808,327,272.61 = 170,423,455.96/x
  3. Step 3: Cross multiply
    538,888,440.95x = 808,327,272.61 × 170,423,455.96
  4. Step 4: Simplify right side
    538,888,440.95x = 137,757,927,344,917,264
  5. Step 5: Solve for x
    x = 137,757,927,344,917,264/538,888,440.95
  6. Step 6: Final answer
    x = 255,633,479.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.