Home / 291,630,644.80-437,445,967.20-269,459,713.60

Finding the Fourth Proportional to 291,630,644.80, 437,445,967.20 and 269,459,713.60

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Solution

The fourth proportional to 291,630,644.80, 437,445,967.20 and 269,459,713.60 is: 404,189,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,630,644.80 : 437,445,967.20 = 269,459,713.60 : x
  2. Step 2: Convert to fraction form
    291,630,644.80/437,445,967.20 = 269,459,713.60/x
  3. Step 3: Cross multiply
    291,630,644.80x = 437,445,967.20 × 269,459,713.60
  4. Step 4: Simplify right side
    291,630,644.80x = 117,874,065,037,187,008
  5. Step 5: Solve for x
    x = 117,874,065,037,187,008/291,630,644.80
  6. Step 6: Final answer
    x = 404,189,570.40

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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.