Home / 808,202,223.70-1,212,303,335.55-614,491,979.20

Finding the Fourth Proportional to 808,202,223.70, 1,212,303,335.55 and 614,491,979.20

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Solution

The fourth proportional to 808,202,223.70, 1,212,303,335.55 and 614,491,979.20 is: 921,737,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,202,223.70 : 1,212,303,335.55 = 614,491,979.20 : x
  2. Step 2: Convert to fraction form
    808,202,223.70/1,212,303,335.55 = 614,491,979.20/x
  3. Step 3: Cross multiply
    808,202,223.70x = 1,212,303,335.55 × 614,491,979.20
  4. Step 4: Simplify right side
    808,202,223.70x = 744,950,676,052,881,280
  5. Step 5: Solve for x
    x = 744,950,676,052,881,280/808,202,223.70
  6. Step 6: Final answer
    x = 921,737,968.80

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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.