Home / 412,985,149.05-619,498,308.03-117,924,031.35

Finding the Fourth Proportional to 412,985,149.05, 619,498,308.03 and 117,924,031.35

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Solution

The fourth proportional to 412,985,149.05, 619,498,308.03 and 117,924,031.35 is: 176,891,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,985,149.05 : 619,498,308.03 = 117,924,031.35 : x
  2. Step 2: Convert to fraction form
    412,985,149.05/619,498,308.03 = 117,924,031.35/x
  3. Step 3: Cross multiply
    412,985,149.05x = 619,498,308.03 × 117,924,031.35
  4. Step 4: Simplify right side
    412,985,149.05x = 73,053,737,897,401,664
  5. Step 5: Solve for x
    x = 73,053,737,897,401,664/412,985,149.05
  6. Step 6: Final answer
    x = 176,891,924.72

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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.