Home / 539,022,961.66-743,853,928.63-291,504,315.91

Finding the Fourth Proportional to 539,022,961.66, 743,853,928.63 and 291,504,315.91

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Solution

The fourth proportional to 539,022,961.66, 743,853,928.63 and 291,504,315.91 is: 402,277,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,961.66 : 743,853,928.63 = 291,504,315.91 : x
  2. Step 2: Convert to fraction form
    539,022,961.66/743,853,928.63 = 291,504,315.91/x
  3. Step 3: Cross multiply
    539,022,961.66x = 743,853,928.63 × 291,504,315.91
  4. Step 4: Simplify right side
    539,022,961.66x = 216,836,630,602,254,144
  5. Step 5: Solve for x
    x = 216,836,630,602,254,144/539,022,961.66
  6. Step 6: Final answer
    x = 402,277,168.18

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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.