Home / 18,957,757,600.74-28,438,514,159.31-7,009,142,849.58

Finding the Fourth Proportional to 18,957,757,600.74, 28,438,514,159.31 and 7,009,142,849.58

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Solution

The fourth proportional to 18,957,757,600.74, 28,438,514,159.31 and 7,009,142,849.58 is: 10,514,408,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,757,600.74 : 28,438,514,159.31 = 7,009,142,849.58 : x
  2. Step 2: Convert to fraction form
    18,957,757,600.74/28,438,514,159.31 = 7,009,142,849.58/x
  3. Step 3: Cross multiply
    18,957,757,600.74x = 28,438,514,159.31 × 7,009,142,849.58
  4. Step 4: Simplify right side
    18,957,757,600.74x = 199,329,608,172,407,291,904
  5. Step 5: Solve for x
    x = 199,329,608,172,407,291,904/18,957,757,600.74
  6. Step 6: Final answer
    x = 10,514,408,527.13

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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.