Home / 1,319,064,861,727-1,977,464,099,012.10-458,427,216,105.42

Finding the Fourth Proportional to 1,319,064,861,727, 1,977,464,099,012.10 and 458,427,216,105.42

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Solution

The fourth proportional to 1,319,064,861,727, 1,977,464,099,012.10 and 458,427,216,105.42 is: 687,246,994,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,064,861,727 : 1,977,464,099,012.10 = 458,427,216,105.42 : x
  2. Step 2: Convert to fraction form
    1,319,064,861,727/1,977,464,099,012.10 = 458,427,216,105.42/x
  3. Step 3: Cross multiply
    1,319,064,861,727x = 1,977,464,099,012.10 × 458,427,216,105.42
  4. Step 4: Simplify right side
    1,319,064,861,727x = 906,523,361,858,529,611,743,232
  5. Step 5: Solve for x
    x = 906,523,361,858,529,611,743,232/1,319,064,861,727
  6. Step 6: Final answer
    x = 687,246,994,565.27

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Double scale
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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.