Home / 646,821,648.10-970,232,472.15-355,576,233.70

Finding the Fourth Proportional to 646,821,648.10, 970,232,472.15 and 355,576,233.70

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Solution

The fourth proportional to 646,821,648.10, 970,232,472.15 and 355,576,233.70 is: 533,364,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,821,648.10 : 970,232,472.15 = 355,576,233.70 : x
  2. Step 2: Convert to fraction form
    646,821,648.10/970,232,472.15 = 355,576,233.70/x
  3. Step 3: Cross multiply
    646,821,648.10x = 970,232,472.15 × 355,576,233.70
  4. Step 4: Simplify right side
    646,821,648.10x = 344,991,608,260,537,152
  5. Step 5: Solve for x
    x = 344,991,608,260,537,152/646,821,648.10
  6. Step 6: Final answer
    x = 533,364,350.55

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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.