Home / 886,465,362.30-1,329,698,043.45-272,969,871.90

Finding the Fourth Proportional to 886,465,362.30, 1,329,698,043.45 and 272,969,871.90

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Solution

The fourth proportional to 886,465,362.30, 1,329,698,043.45 and 272,969,871.90 is: 409,454,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,465,362.30 : 1,329,698,043.45 = 272,969,871.90 : x
  2. Step 2: Convert to fraction form
    886,465,362.30/1,329,698,043.45 = 272,969,871.90/x
  3. Step 3: Cross multiply
    886,465,362.30x = 1,329,698,043.45 × 272,969,871.90
  4. Step 4: Simplify right side
    886,465,362.30x = 362,967,504,586,227,136
  5. Step 5: Solve for x
    x = 362,967,504,586,227,136/886,465,362.30
  6. Step 6: Final answer
    x = 409,454,807.85

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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.