Home / 740,976,128.55-1,111,344,925.14-216,222,023.88

Finding the Fourth Proportional to 740,976,128.55, 1,111,344,925.14 and 216,222,023.88

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Solution

The fourth proportional to 740,976,128.55, 1,111,344,925.14 and 216,222,023.88 is: 324,298,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,976,128.55 : 1,111,344,925.14 = 216,222,023.88 : x
  2. Step 2: Convert to fraction form
    740,976,128.55/1,111,344,925.14 = 216,222,023.88/x
  3. Step 3: Cross multiply
    740,976,128.55x = 1,111,344,925.14 × 216,222,023.88
  4. Step 4: Simplify right side
    740,976,128.55x = 240,297,248,942,537,920
  5. Step 5: Solve for x
    x = 240,297,248,942,537,920/740,976,128.55
  6. Step 6: Final answer
    x = 324,298,232.67

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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.