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Finding the Fourth Proportional to 578,077,488, 866,946,170.88 and 169,036,404.48

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Solution

The fourth proportional to 578,077,488, 866,946,170.88 and 169,036,404.48 is: 253,504,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,077,488 : 866,946,170.88 = 169,036,404.48 : x
  2. Step 2: Convert to fraction form
    578,077,488/866,946,170.88 = 169,036,404.48/x
  3. Step 3: Cross multiply
    578,077,488x = 866,946,170.88 × 169,036,404.48
  4. Step 4: Simplify right side
    578,077,488x = 146,545,463,603,258,880
  5. Step 5: Solve for x
    x = 146,545,463,603,258,880/578,077,488
  6. Step 6: Final answer
    x = 253,504,878.92

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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.