Home / 472,403,914.80-708,605,872.20-443,706,100.80

Finding the Fourth Proportional to 472,403,914.80, 708,605,872.20 and 443,706,100.80

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Solution

The fourth proportional to 472,403,914.80, 708,605,872.20 and 443,706,100.80 is: 665,559,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,403,914.80 : 708,605,872.20 = 443,706,100.80 : x
  2. Step 2: Convert to fraction form
    472,403,914.80/708,605,872.20 = 443,706,100.80/x
  3. Step 3: Cross multiply
    472,403,914.80x = 708,605,872.20 × 443,706,100.80
  4. Step 4: Simplify right side
    472,403,914.80x = 314,412,748,557,845,120
  5. Step 5: Solve for x
    x = 314,412,748,557,845,120/472,403,914.80
  6. Step 6: Final answer
    x = 665,559,151.20

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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.