Home / 495,699,596.11-743,391,643.89-163,644,779.48

Finding the Fourth Proportional to 495,699,596.11, 743,391,643.89 and 163,644,779.48

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Solution

The fourth proportional to 495,699,596.11, 743,391,643.89 and 163,644,779.48 is: 245,415,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,699,596.11 : 743,391,643.89 = 163,644,779.48 : x
  2. Step 2: Convert to fraction form
    495,699,596.11/743,391,643.89 = 163,644,779.48/x
  3. Step 3: Cross multiply
    495,699,596.11x = 743,391,643.89 × 163,644,779.48
  4. Step 4: Simplify right side
    495,699,596.11x = 121,652,161,631,653,728
  5. Step 5: Solve for x
    x = 121,652,161,631,653,728/495,699,596.11
  6. Step 6: Final answer
    x = 245,415,091.29

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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.