Home / 782,875,286.40-1,174,312,929.60-322,576,521.60

Finding the Fourth Proportional to 782,875,286.40, 1,174,312,929.60 and 322,576,521.60

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Solution

The fourth proportional to 782,875,286.40, 1,174,312,929.60 and 322,576,521.60 is: 483,864,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,875,286.40 : 1,174,312,929.60 = 322,576,521.60 : x
  2. Step 2: Convert to fraction form
    782,875,286.40/1,174,312,929.60 = 322,576,521.60/x
  3. Step 3: Cross multiply
    782,875,286.40x = 1,174,312,929.60 × 322,576,521.60
  4. Step 4: Simplify right side
    782,875,286.40x = 378,805,780,100,273,664
  5. Step 5: Solve for x
    x = 378,805,780,100,273,664/782,875,286.40
  6. Step 6: Final answer
    x = 483,864,782.40

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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.