Home / 1,215,230,854.70-1,822,896,048.45-353,587,846.70

Finding the Fourth Proportional to 1,215,230,854.70, 1,822,896,048.45 and 353,587,846.70

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Solution

The fourth proportional to 1,215,230,854.70, 1,822,896,048.45 and 353,587,846.70 is: 530,396,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,230,854.70 : 1,822,896,048.45 = 353,587,846.70 : x
  2. Step 2: Convert to fraction form
    1,215,230,854.70/1,822,896,048.45 = 353,587,846.70/x
  3. Step 3: Cross multiply
    1,215,230,854.70x = 1,822,896,048.45 × 353,587,846.70
  4. Step 4: Simplify right side
    1,215,230,854.70x = 644,553,888,529,374,336
  5. Step 5: Solve for x
    x = 644,553,888,529,374,336/1,215,230,854.70
  6. Step 6: Final answer
    x = 530,396,250.26

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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.