Home / 463,404,490.40-695,200,047.60-135,879,370.40

Finding the Fourth Proportional to 463,404,490.40, 695,200,047.60 and 135,879,370.40

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Solution

The fourth proportional to 463,404,490.40, 695,200,047.60 and 135,879,370.40 is: 203,846,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,404,490.40 : 695,200,047.60 = 135,879,370.40 : x
  2. Step 2: Convert to fraction form
    463,404,490.40/695,200,047.60 = 135,879,370.40/x
  3. Step 3: Cross multiply
    463,404,490.40x = 695,200,047.60 × 135,879,370.40
  4. Step 4: Simplify right side
    463,404,490.40x = 94,463,344,769,938,032
  5. Step 5: Solve for x
    x = 94,463,344,769,938,032/463,404,490.40
  6. Step 6: Final answer
    x = 203,846,416.53

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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.