Home / 809,145,871.40-1,116,621,306.48-437,867,906.48

Finding the Fourth Proportional to 809,145,871.40, 1,116,621,306.48 and 437,867,906.48

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Solution

The fourth proportional to 809,145,871.40, 1,116,621,306.48 and 437,867,906.48 is: 604,257,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,145,871.40 : 1,116,621,306.48 = 437,867,906.48 : x
  2. Step 2: Convert to fraction form
    809,145,871.40/1,116,621,306.48 = 437,867,906.48/x
  3. Step 3: Cross multiply
    809,145,871.40x = 1,116,621,306.48 × 437,867,906.48
  4. Step 4: Simplify right side
    809,145,871.40x = 488,932,633,799,360,064
  5. Step 5: Solve for x
    x = 488,932,633,799,360,064/809,145,871.40
  6. Step 6: Final answer
    x = 604,257,713.08

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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.