Home / 441,820,346.12-609,576,967.14-256,144,309.64

Finding the Fourth Proportional to 441,820,346.12, 609,576,967.14 and 256,144,309.64

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Solution

The fourth proportional to 441,820,346.12, 609,576,967.14 and 256,144,309.64 is: 353,400,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,820,346.12 : 609,576,967.14 = 256,144,309.64 : x
  2. Step 2: Convert to fraction form
    441,820,346.12/609,576,967.14 = 256,144,309.64/x
  3. Step 3: Cross multiply
    441,820,346.12x = 609,576,967.14 × 256,144,309.64
  4. Step 4: Simplify right side
    441,820,346.12x = 156,139,671,420,520,256
  5. Step 5: Solve for x
    x = 156,139,671,420,520,256/441,820,346.12
  6. Step 6: Final answer
    x = 353,400,817.30

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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.