Home / 442,308,420.90-663,462,631.35-415,045,497.60

Finding the Fourth Proportional to 442,308,420.90, 663,462,631.35 and 415,045,497.60

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Solution

The fourth proportional to 442,308,420.90, 663,462,631.35 and 415,045,497.60 is: 622,568,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,308,420.90 : 663,462,631.35 = 415,045,497.60 : x
  2. Step 2: Convert to fraction form
    442,308,420.90/663,462,631.35 = 415,045,497.60/x
  3. Step 3: Cross multiply
    442,308,420.90x = 663,462,631.35 × 415,045,497.60
  4. Step 4: Simplify right side
    442,308,420.90x = 275,367,177,967,666,144
  5. Step 5: Solve for x
    x = 275,367,177,967,666,144/442,308,420.90
  6. Step 6: Final answer
    x = 622,568,246.40

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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.