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Finding the Fourth Proportional to 570,297,492,092.90, 855,446,238,139.40 and 570,297,492,092.90

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Solution

The fourth proportional to 570,297,492,092.90, 855,446,238,139.40 and 570,297,492,092.90 is: 855,446,238,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,297,492,092.90 : 855,446,238,139.40 = 570,297,492,092.90 : x
  2. Step 2: Convert to fraction form
    570,297,492,092.90/855,446,238,139.40 = 570,297,492,092.90/x
  3. Step 3: Cross multiply
    570,297,492,092.90x = 855,446,238,139.40 × 570,297,492,092.90
  4. Step 4: Simplify right side
    570,297,492,092.90x = 487,858,844,231,205,572,837,376
  5. Step 5: Solve for x
    x = 487,858,844,231,205,572,837,376/570,297,492,092.90
  6. Step 6: Final answer
    x = 855,446,238,139.40

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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.