Home / 558,077,382.42-770,140,676.03-307,176,409.95

Finding the Fourth Proportional to 558,077,382.42, 770,140,676.03 and 307,176,409.95

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Solution

The fourth proportional to 558,077,382.42, 770,140,676.03 and 307,176,409.95 is: 423,900,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,382.42 : 770,140,676.03 = 307,176,409.95 : x
  2. Step 2: Convert to fraction form
    558,077,382.42/770,140,676.03 = 307,176,409.95/x
  3. Step 3: Cross multiply
    558,077,382.42x = 770,140,676.03 × 307,176,409.95
  4. Step 4: Simplify right side
    558,077,382.42x = 236,569,048,017,825,504
  5. Step 5: Solve for x
    x = 236,569,048,017,825,504/558,077,382.42
  6. Step 6: Final answer
    x = 423,900,081.73

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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.