Home / 718,121,956.71-1,077,093,780.18-193,532,098.41

Finding the Fourth Proportional to 718,121,956.71, 1,077,093,780.18 and 193,532,098.41

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Solution

The fourth proportional to 718,121,956.71, 1,077,093,780.18 and 193,532,098.41 is: 290,274,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,121,956.71 : 1,077,093,780.18 = 193,532,098.41 : x
  2. Step 2: Convert to fraction form
    718,121,956.71/1,077,093,780.18 = 193,532,098.41/x
  3. Step 3: Cross multiply
    718,121,956.71x = 1,077,093,780.18 × 193,532,098.41
  4. Step 4: Simplify right side
    718,121,956.71x = 208,452,219,462,594,688
  5. Step 5: Solve for x
    x = 208,452,219,462,594,688/718,121,956.71
  6. Step 6: Final answer
    x = 290,274,120.59

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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.