Home / 441,820,345.12-609,576,965.76-256,144,308.64

Finding the Fourth Proportional to 441,820,345.12, 609,576,965.76 and 256,144,308.64

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Solution

The fourth proportional to 441,820,345.12, 609,576,965.76 and 256,144,308.64 is: 353,400,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,820,345.12 : 609,576,965.76 = 256,144,308.64 : x
  2. Step 2: Convert to fraction form
    441,820,345.12/609,576,965.76 = 256,144,308.64/x
  3. Step 3: Cross multiply
    441,820,345.12x = 609,576,965.76 × 256,144,308.64
  4. Step 4: Simplify right side
    441,820,345.12x = 156,139,670,457,464,128
  5. Step 5: Solve for x
    x = 156,139,670,457,464,128/441,820,345.12
  6. Step 6: Final answer
    x = 353,400,815.92

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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.