Home / 385,924,880.79-578,561,854.56-167,410,611.77

Finding the Fourth Proportional to 385,924,880.79, 578,561,854.56 and 167,410,611.77

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Solution

The fourth proportional to 385,924,880.79, 578,561,854.56 and 167,410,611.77 is: 250,974,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,924,880.79 : 578,561,854.56 = 167,410,611.77 : x
  2. Step 2: Convert to fraction form
    385,924,880.79/578,561,854.56 = 167,410,611.77/x
  3. Step 3: Cross multiply
    385,924,880.79x = 578,561,854.56 × 167,410,611.77
  4. Step 4: Simplify right side
    385,924,880.79x = 96,857,394,015,782,544
  5. Step 5: Solve for x
    x = 96,857,394,015,782,544/385,924,880.79
  6. Step 6: Final answer
    x = 250,974,733.26

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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.