Home / 538,144,788,263.02-742,289,885,121.04-345,151,271,667.64

Finding the Fourth Proportional to 538,144,788,263.02, 742,289,885,121.04 and 345,151,271,667.64

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Solution

The fourth proportional to 538,144,788,263.02, 742,289,885,121.04 and 345,151,271,667.64 is: 476,084,324,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,144,788,263.02 : 742,289,885,121.04 = 345,151,271,667.64 : x
  2. Step 2: Convert to fraction form
    538,144,788,263.02/742,289,885,121.04 = 345,151,271,667.64/x
  3. Step 3: Cross multiply
    538,144,788,263.02x = 742,289,885,121.04 × 345,151,271,667.64
  4. Step 4: Simplify right side
    538,144,788,263.02x = 256,202,297,795,553,383,153,664
  5. Step 5: Solve for x
    x = 256,202,297,795,553,383,153,664/538,144,788,263.02
  6. Step 6: Final answer
    x = 476,084,324,113.78

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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.