Home / 1,395,230,849.84-2,092,776,707.64-521,768,003.60

Finding the Fourth Proportional to 1,395,230,849.84, 2,092,776,707.64 and 521,768,003.60

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Solution

The fourth proportional to 1,395,230,849.84, 2,092,776,707.64 and 521,768,003.60 is: 782,625,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,230,849.84 : 2,092,776,707.64 = 521,768,003.60 : x
  2. Step 2: Convert to fraction form
    1,395,230,849.84/2,092,776,707.64 = 521,768,003.60/x
  3. Step 3: Cross multiply
    1,395,230,849.84x = 2,092,776,707.64 × 521,768,003.60
  4. Step 4: Simplify right side
    1,395,230,849.84x = 1,091,943,924,725,903,744
  5. Step 5: Solve for x
    x = 1,091,943,924,725,903,744/1,395,230,849.84
  6. Step 6: Final answer
    x = 782,625,989.71

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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.