Home / 491,030,355.30-736,870,840.77-269,856,153.30

Finding the Fourth Proportional to 491,030,355.30, 736,870,840.77 and 269,856,153.30

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Solution

The fourth proportional to 491,030,355.30, 736,870,840.77 and 269,856,153.30 is: 404,963,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,030,355.30 : 736,870,840.77 = 269,856,153.30 : x
  2. Step 2: Convert to fraction form
    491,030,355.30/736,870,840.77 = 269,856,153.30/x
  3. Step 3: Cross multiply
    491,030,355.30x = 736,870,840.77 × 269,856,153.30
  4. Step 4: Simplify right side
    491,030,355.30x = 198,849,130,569,129,024
  5. Step 5: Solve for x
    x = 198,849,130,569,129,024/491,030,355.30
  6. Step 6: Final answer
    x = 404,963,009.77

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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.