Home / 646,822,022.10-970,233,033.15-355,576,607.70

Finding the Fourth Proportional to 646,822,022.10, 970,233,033.15 and 355,576,607.70

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Solution

The fourth proportional to 646,822,022.10, 970,233,033.15 and 355,576,607.70 is: 533,364,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822,022.10 : 970,233,033.15 = 355,576,607.70 : x
  2. Step 2: Convert to fraction form
    646,822,022.10/970,233,033.15 = 355,576,607.70/x
  3. Step 3: Cross multiply
    646,822,022.10x = 970,233,033.15 × 355,576,607.70
  4. Step 4: Simplify right side
    646,822,022.10x = 344,992,170,605,958,656
  5. Step 5: Solve for x
    x = 344,992,170,605,958,656/646,822,022.10
  6. Step 6: Final answer
    x = 533,364,911.55

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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.