Home / 469,438,979.20-704,158,468.80-449,535,529.60

Finding the Fourth Proportional to 469,438,979.20, 704,158,468.80 and 449,535,529.60

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Solution

The fourth proportional to 469,438,979.20, 704,158,468.80 and 449,535,529.60 is: 674,303,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,438,979.20 : 704,158,468.80 = 449,535,529.60 : x
  2. Step 2: Convert to fraction form
    469,438,979.20/704,158,468.80 = 449,535,529.60/x
  3. Step 3: Cross multiply
    469,438,979.20x = 704,158,468.80 × 449,535,529.60
  4. Step 4: Simplify right side
    469,438,979.20x = 316,544,250,194,333,056
  5. Step 5: Solve for x
    x = 316,544,250,194,333,056/469,438,979.20
  6. Step 6: Final answer
    x = 674,303,294.40

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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.