Home / 652,860,003.70-979,290,005.55-216,228,078.10

Finding the Fourth Proportional to 652,860,003.70, 979,290,005.55 and 216,228,078.10

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Solution

The fourth proportional to 652,860,003.70, 979,290,005.55 and 216,228,078.10 is: 324,342,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,860,003.70 : 979,290,005.55 = 216,228,078.10 : x
  2. Step 2: Convert to fraction form
    652,860,003.70/979,290,005.55 = 216,228,078.10/x
  3. Step 3: Cross multiply
    652,860,003.70x = 979,290,005.55 × 216,228,078.10
  4. Step 4: Simplify right side
    652,860,003.70x = 211,749,995,802,614,816
  5. Step 5: Solve for x
    x = 211,749,995,802,614,816/652,860,003.70
  6. Step 6: Final answer
    x = 324,342,117.15

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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.