Home / 652,860,001.70-979,290,002.55-216,228,076.10

Finding the Fourth Proportional to 652,860,001.70, 979,290,002.55 and 216,228,076.10

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Solution

The fourth proportional to 652,860,001.70, 979,290,002.55 and 216,228,076.10 is: 324,342,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,860,001.70 : 979,290,002.55 = 216,228,076.10 : x
  2. Step 2: Convert to fraction form
    652,860,001.70/979,290,002.55 = 216,228,076.10/x
  3. Step 3: Cross multiply
    652,860,001.70x = 979,290,002.55 × 216,228,076.10
  4. Step 4: Simplify right side
    652,860,001.70x = 211,749,993,195,350,592
  5. Step 5: Solve for x
    x = 211,749,993,195,350,592/652,860,001.70
  6. Step 6: Final answer
    x = 324,342,114.15

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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.