Home / 655,155,216,005.40-982,732,824,008.10-319,597,416,466.20

Finding the Fourth Proportional to 655,155,216,005.40, 982,732,824,008.10 and 319,597,416,466.20

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Solution

The fourth proportional to 655,155,216,005.40, 982,732,824,008.10 and 319,597,416,466.20 is: 479,396,124,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,155,216,005.40 : 982,732,824,008.10 = 319,597,416,466.20 : x
  2. Step 2: Convert to fraction form
    655,155,216,005.40/982,732,824,008.10 = 319,597,416,466.20/x
  3. Step 3: Cross multiply
    655,155,216,005.40x = 982,732,824,008.10 × 319,597,416,466.20
  4. Step 4: Simplify right side
    655,155,216,005.40x = 314,078,871,629,521,542,447,104
  5. Step 5: Solve for x
    x = 314,078,871,629,521,542,447,104/655,155,216,005.40
  6. Step 6: Final answer
    x = 479,396,124,699.30

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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.