Home / 544,563,090.30-816,844,635.45-135,619,240.80

Finding the Fourth Proportional to 544,563,090.30, 816,844,635.45 and 135,619,240.80

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Solution

The fourth proportional to 544,563,090.30, 816,844,635.45 and 135,619,240.80 is: 203,428,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,563,090.30 : 816,844,635.45 = 135,619,240.80 : x
  2. Step 2: Convert to fraction form
    544,563,090.30/816,844,635.45 = 135,619,240.80/x
  3. Step 3: Cross multiply
    544,563,090.30x = 816,844,635.45 × 135,619,240.80
  4. Step 4: Simplify right side
    544,563,090.30x = 110,779,849,311,281,776
  5. Step 5: Solve for x
    x = 110,779,849,311,281,776/544,563,090.30
  6. Step 6: Final answer
    x = 203,428,861.20

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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.