Home / 18,917,481,169.86-28,376,249,065.17-7,725,355,344.57

Finding the Fourth Proportional to 18,917,481,169.86, 28,376,249,065.17 and 7,725,355,344.57

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Solution

The fourth proportional to 18,917,481,169.86, 28,376,249,065.17 and 7,725,355,344.57 is: 11,588,044,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,481,169.86 : 28,376,249,065.17 = 7,725,355,344.57 : x
  2. Step 2: Convert to fraction form
    18,917,481,169.86/28,376,249,065.17 = 7,725,355,344.57/x
  3. Step 3: Cross multiply
    18,917,481,169.86x = 28,376,249,065.17 × 7,725,355,344.57
  4. Step 4: Simplify right side
    18,917,481,169.86x = 219,216,607,374,460,518,400
  5. Step 5: Solve for x
    x = 219,216,607,374,460,518,400/18,917,481,169.86
  6. Step 6: Final answer
    x = 11,588,044,169.63

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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.