Home / 457,396,000.86-631,158,965.52-269,213,071.92

Finding the Fourth Proportional to 457,396,000.86, 631,158,965.52 and 269,213,071.92

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Solution

The fourth proportional to 457,396,000.86, 631,158,965.52 and 269,213,071.92 is: 371,486,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,396,000.86 : 631,158,965.52 = 269,213,071.92 : x
  2. Step 2: Convert to fraction form
    457,396,000.86/631,158,965.52 = 269,213,071.92/x
  3. Step 3: Cross multiply
    457,396,000.86x = 631,158,965.52 × 269,213,071.92
  4. Step 4: Simplify right side
    457,396,000.86x = 169,916,243,977,488,576
  5. Step 5: Solve for x
    x = 169,916,243,977,488,576/457,396,000.86
  6. Step 6: Final answer
    x = 371,486,072.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.