Home / 646,083,013.70-969,124,520.55-237,086,020.10

Finding the Fourth Proportional to 646,083,013.70, 969,124,520.55 and 237,086,020.10

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Solution

The fourth proportional to 646,083,013.70, 969,124,520.55 and 237,086,020.10 is: 355,629,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,083,013.70 : 969,124,520.55 = 237,086,020.10 : x
  2. Step 2: Convert to fraction form
    646,083,013.70/969,124,520.55 = 237,086,020.10/x
  3. Step 3: Cross multiply
    646,083,013.70x = 969,124,520.55 × 237,086,020.10
  4. Step 4: Simplify right side
    646,083,013.70x = 229,765,875,558,520,160
  5. Step 5: Solve for x
    x = 229,765,875,558,520,160/646,083,013.70
  6. Step 6: Final answer
    x = 355,629,030.15

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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.