Home / 409,181,871.34-614,160,844.28-253,264,043.26

Finding the Fourth Proportional to 409,181,871.34, 614,160,844.28 and 253,264,043.26

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Solution

The fourth proportional to 409,181,871.34, 614,160,844.28 and 253,264,043.26 is: 380,136,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,181,871.34 : 614,160,844.28 = 253,264,043.26 : x
  2. Step 2: Convert to fraction form
    409,181,871.34/614,160,844.28 = 253,264,043.26/x
  3. Step 3: Cross multiply
    409,181,871.34x = 614,160,844.28 × 253,264,043.26
  4. Step 4: Simplify right side
    409,181,871.34x = 155,544,858,633,061,696
  5. Step 5: Solve for x
    x = 155,544,858,633,061,696/409,181,871.34
  6. Step 6: Final answer
    x = 380,136,241.44

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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.