Home / 585,928,822.12-809,252,856.89-385,879,960.69

Finding the Fourth Proportional to 585,928,822.12, 809,252,856.89 and 385,879,960.69

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Solution

The fourth proportional to 585,928,822.12, 809,252,856.89 and 385,879,960.69 is: 532,956,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,928,822.12 : 809,252,856.89 = 385,879,960.69 : x
  2. Step 2: Convert to fraction form
    585,928,822.12/809,252,856.89 = 385,879,960.69/x
  3. Step 3: Cross multiply
    585,928,822.12x = 809,252,856.89 × 385,879,960.69
  4. Step 4: Simplify right side
    585,928,822.12x = 312,274,460,603,054,016
  5. Step 5: Solve for x
    x = 312,274,460,603,054,016/585,928,822.12
  6. Step 6: Final answer
    x = 532,956,305.98

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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.