Home / 442,308,422.40-663,462,633.60-415,045,499.10

Finding the Fourth Proportional to 442,308,422.40, 663,462,633.60 and 415,045,499.10

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Solution

The fourth proportional to 442,308,422.40, 663,462,633.60 and 415,045,499.10 is: 622,568,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,308,422.40 : 663,462,633.60 = 415,045,499.10 : x
  2. Step 2: Convert to fraction form
    442,308,422.40/663,462,633.60 = 415,045,499.10/x
  3. Step 3: Cross multiply
    442,308,422.40x = 663,462,633.60 × 415,045,499.10
  4. Step 4: Simplify right side
    442,308,422.40x = 275,367,179,896,712,448
  5. Step 5: Solve for x
    x = 275,367,179,896,712,448/442,308,422.40
  6. Step 6: Final answer
    x = 622,568,248.65

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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.