Home / 539,022,973.34-743,853,944.80-291,504,327.60

Finding the Fourth Proportional to 539,022,973.34, 743,853,944.80 and 291,504,327.60

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Solution

The fourth proportional to 539,022,973.34, 743,853,944.80 and 291,504,327.60 is: 402,277,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,973.34 : 743,853,944.80 = 291,504,327.60 : x
  2. Step 2: Convert to fraction form
    539,022,973.34/743,853,944.80 = 291,504,327.60/x
  3. Step 3: Cross multiply
    539,022,973.34x = 743,853,944.80 × 291,504,327.60
  4. Step 4: Simplify right side
    539,022,973.34x = 216,836,644,011,531,520
  5. Step 5: Solve for x
    x = 216,836,644,011,531,520/539,022,973.34
  6. Step 6: Final answer
    x = 402,277,184.34

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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.