Home / 864,825,876.50-1,193,453,766.81-468,339,792.91

Finding the Fourth Proportional to 864,825,876.50, 1,193,453,766.81 and 468,339,792.91

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Solution

The fourth proportional to 864,825,876.50, 1,193,453,766.81 and 468,339,792.91 is: 646,305,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,825,876.50 : 1,193,453,766.81 = 468,339,792.91 : x
  2. Step 2: Convert to fraction form
    864,825,876.50/1,193,453,766.81 = 468,339,792.91/x
  3. Step 3: Cross multiply
    864,825,876.50x = 1,193,453,766.81 × 468,339,792.91
  4. Step 4: Simplify right side
    864,825,876.50x = 558,941,889,992,471,232
  5. Step 5: Solve for x
    x = 558,941,889,992,471,232/864,825,876.50
  6. Step 6: Final answer
    x = 646,305,695.96

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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.