Home / 13,411,662,025.08-18,508,488,390.37-7,390,555,286.95

Finding the Fourth Proportional to 13,411,662,025.08, 18,508,488,390.37 and 7,390,555,286.95

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Solution

The fourth proportional to 13,411,662,025.08, 18,508,488,390.37 and 7,390,555,286.95 is: 10,199,183,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,662,025.08 : 18,508,488,390.37 = 7,390,555,286.95 : x
  2. Step 2: Convert to fraction form
    13,411,662,025.08/18,508,488,390.37 = 7,390,555,286.95/x
  3. Step 3: Cross multiply
    13,411,662,025.08x = 18,508,488,390.37 × 7,390,555,286.95
  4. Step 4: Simplify right side
    13,411,662,025.08x = 136,788,006,726,983,122,944
  5. Step 5: Solve for x
    x = 136,788,006,726,983,122,944/13,411,662,025.08
  6. Step 6: Final answer
    x = 10,199,183,849.94

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1.5x scale

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.