Home / 828,847,168.92-1,143,779,107.50-457,561,227.96

Finding the Fourth Proportional to 828,847,168.92, 1,143,779,107.50 and 457,561,227.96

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Solution

The fourth proportional to 828,847,168.92, 1,143,779,107.50 and 457,561,227.96 is: 631,417,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,847,168.92 : 1,143,779,107.50 = 457,561,227.96 : x
  2. Step 2: Convert to fraction form
    828,847,168.92/1,143,779,107.50 = 457,561,227.96/x
  3. Step 3: Cross multiply
    828,847,168.92x = 1,143,779,107.50 × 457,561,227.96
  4. Step 4: Simplify right side
    828,847,168.92x = 523,348,972,942,692,800
  5. Step 5: Solve for x
    x = 523,348,972,942,692,800/828,847,168.92
  6. Step 6: Final answer
    x = 631,417,941.17

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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.