Home / 412,842,965.40-569,640,706.38-236,686,217.40

Finding the Fourth Proportional to 412,842,965.40, 569,640,706.38 and 236,686,217.40

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Solution

The fourth proportional to 412,842,965.40, 569,640,706.38 and 236,686,217.40 is: 326,579,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,842,965.40 : 569,640,706.38 = 236,686,217.40 : x
  2. Step 2: Convert to fraction form
    412,842,965.40/569,640,706.38 = 236,686,217.40/x
  3. Step 3: Cross multiply
    412,842,965.40x = 569,640,706.38 × 236,686,217.40
  4. Step 4: Simplify right side
    412,842,965.40x = 134,826,104,070,146,256
  5. Step 5: Solve for x
    x = 134,826,104,070,146,256/412,842,965.40
  6. Step 6: Final answer
    x = 326,579,632.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.