Home / 806,997,131.17-1,113,621,632.38-449,745,897.79

Finding the Fourth Proportional to 806,997,131.17, 1,113,621,632.38 and 449,745,897.79

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Solution

The fourth proportional to 806,997,131.17, 1,113,621,632.38 and 449,745,897.79 is: 620,630,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,997,131.17 : 1,113,621,632.38 = 449,745,897.79 : x
  2. Step 2: Convert to fraction form
    806,997,131.17/1,113,621,632.38 = 449,745,897.79/x
  3. Step 3: Cross multiply
    806,997,131.17x = 1,113,621,632.38 × 449,745,897.79
  4. Step 4: Simplify right side
    806,997,131.17x = 500,846,760,850,859,712
  5. Step 5: Solve for x
    x = 500,846,760,850,859,712/806,997,131.17
  6. Step 6: Final answer
    x = 620,630,162.74

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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.