Home / 525,005,924.28-787,677,120.72-367,602,898.56

Finding the Fourth Proportional to 525,005,924.28, 787,677,120.72 and 367,602,898.56

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Solution

The fourth proportional to 525,005,924.28, 787,677,120.72 and 367,602,898.56 is: 551,522,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,005,924.28 : 787,677,120.72 = 367,602,898.56 : x
  2. Step 2: Convert to fraction form
    525,005,924.28/787,677,120.72 = 367,602,898.56/x
  3. Step 3: Cross multiply
    525,005,924.28x = 787,677,120.72 × 367,602,898.56
  4. Step 4: Simplify right side
    525,005,924.28x = 289,552,392,706,067,072
  5. Step 5: Solve for x
    x = 289,552,392,706,067,072/525,005,924.28
  6. Step 6: Final answer
    x = 551,522,143.49

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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.