Home / 478,073,241.90-659,732,114.79-292,420,619.82

Finding the Fourth Proportional to 478,073,241.90, 659,732,114.79 and 292,420,619.82

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Solution

The fourth proportional to 478,073,241.90, 659,732,114.79 and 292,420,619.82 is: 403,534,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,073,241.90 : 659,732,114.79 = 292,420,619.82 : x
  2. Step 2: Convert to fraction form
    478,073,241.90/659,732,114.79 = 292,420,619.82/x
  3. Step 3: Cross multiply
    478,073,241.90x = 659,732,114.79 × 292,420,619.82
  4. Step 4: Simplify right side
    478,073,241.90x = 192,919,273,922,051,168
  5. Step 5: Solve for x
    x = 192,919,273,922,051,168/478,073,241.90
  6. Step 6: Final answer
    x = 403,534,975.43

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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.