Home / 897,107,306,108.75-1,238,008,142,830.90-491,114,847,422.75

Finding the Fourth Proportional to 897,107,306,108.75, 1,238,008,142,830.90 and 491,114,847,422.75

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Solution

The fourth proportional to 897,107,306,108.75, 1,238,008,142,830.90 and 491,114,847,422.75 is: 677,738,522,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,107,306,108.75 : 1,238,008,142,830.90 = 491,114,847,422.75 : x
  2. Step 2: Convert to fraction form
    897,107,306,108.75/1,238,008,142,830.90 = 491,114,847,422.75/x
  3. Step 3: Cross multiply
    897,107,306,108.75x = 1,238,008,142,830.90 × 491,114,847,422.75
  4. Step 4: Simplify right side
    897,107,306,108.75x = 608,004,180,174,519,467,507,712
  5. Step 5: Solve for x
    x = 608,004,180,174,519,467,507,712/897,107,306,108.75
  6. Step 6: Final answer
    x = 677,738,522,509.39

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.