Home / 659,026,093.31-909,395,897.60-391,055,748.50

Finding the Fourth Proportional to 659,026,093.31, 909,395,897.60 and 391,055,748.50

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Solution

The fourth proportional to 659,026,093.31, 909,395,897.60 and 391,055,748.50 is: 539,621,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,026,093.31 : 909,395,897.60 = 391,055,748.50 : x
  2. Step 2: Convert to fraction form
    659,026,093.31/909,395,897.60 = 391,055,748.50/x
  3. Step 3: Cross multiply
    659,026,093.31x = 909,395,897.60 × 391,055,748.50
  4. Step 4: Simplify right side
    659,026,093.31x = 355,624,493,414,739,904
  5. Step 5: Solve for x
    x = 355,624,493,414,739,904/659,026,093.31
  6. Step 6: Final answer
    x = 539,621,263.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.