Home / 442,308,436.40-663,462,654.60-415,045,513.10

Finding the Fourth Proportional to 442,308,436.40, 663,462,654.60 and 415,045,513.10

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Solution

The fourth proportional to 442,308,436.40, 663,462,654.60 and 415,045,513.10 is: 622,568,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,308,436.40 : 663,462,654.60 = 415,045,513.10 : x
  2. Step 2: Convert to fraction form
    442,308,436.40/663,462,654.60 = 415,045,513.10/x
  3. Step 3: Cross multiply
    442,308,436.40x = 663,462,654.60 × 415,045,513.10
  4. Step 4: Simplify right side
    442,308,436.40x = 275,367,197,901,145,088
  5. Step 5: Solve for x
    x = 275,367,197,901,145,088/442,308,436.40
  6. Step 6: Final answer
    x = 622,568,269.65

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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.