Home / 331,195,777,515.90-457,050,173,852.19-178,948,605,507.17

Finding the Fourth Proportional to 331,195,777,515.90, 457,050,173,852.19 and 178,948,605,507.17

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Solution

The fourth proportional to 331,195,777,515.90, 457,050,173,852.19 and 178,948,605,507.17 is: 246,949,076,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,195,777,515.90 : 457,050,173,852.19 = 178,948,605,507.17 : x
  2. Step 2: Convert to fraction form
    331,195,777,515.90/457,050,173,852.19 = 178,948,605,507.17/x
  3. Step 3: Cross multiply
    331,195,777,515.90x = 457,050,173,852.19 × 178,948,605,507.17
  4. Step 4: Simplify right side
    331,195,777,515.90x = 81,788,491,257,659,028,144,128
  5. Step 5: Solve for x
    x = 81,788,491,257,659,028,144,128/331,195,777,515.90
  6. Step 6: Final answer
    x = 246,949,076,075.50

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1.5x scale

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.