Home / 408,550,558,747.45-612,828,128,907.10-136,274,060,412.27

Finding the Fourth Proportional to 408,550,558,747.45, 612,828,128,907.10 and 136,274,060,412.27

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Solution

The fourth proportional to 408,550,558,747.45, 612,828,128,907.10 and 136,274,060,412.27 is: 204,411,854,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,550,558,747.45 : 612,828,128,907.10 = 136,274,060,412.27 : x
  2. Step 2: Convert to fraction form
    408,550,558,747.45/612,828,128,907.10 = 136,274,060,412.27/x
  3. Step 3: Cross multiply
    408,550,558,747.45x = 612,828,128,907.10 × 136,274,060,412.27
  4. Step 4: Simplify right side
    408,550,558,747.45x = 83,512,577,461,024,536,395,776
  5. Step 5: Solve for x
    x = 83,512,577,461,024,536,395,776/408,550,558,747.45
  6. Step 6: Final answer
    x = 204,411,854,721.39

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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.