Home / 808,201,547.70-1,212,302,321.55-614,491,303.20

Finding the Fourth Proportional to 808,201,547.70, 1,212,302,321.55 and 614,491,303.20

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Solution

The fourth proportional to 808,201,547.70, 1,212,302,321.55 and 614,491,303.20 is: 921,736,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,201,547.70 : 1,212,302,321.55 = 614,491,303.20 : x
  2. Step 2: Convert to fraction form
    808,201,547.70/1,212,302,321.55 = 614,491,303.20/x
  3. Step 3: Cross multiply
    808,201,547.70x = 1,212,302,321.55 × 614,491,303.20
  4. Step 4: Simplify right side
    808,201,547.70x = 744,949,233,441,644,928
  5. Step 5: Solve for x
    x = 744,949,233,441,644,928/808,201,547.70
  6. Step 6: Final answer
    x = 921,736,954.80

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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.