Home / 805,344,062.92-1,208,017,495.65-252,688,903.51

Finding the Fourth Proportional to 805,344,062.92, 1,208,017,495.65 and 252,688,903.51

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Solution

The fourth proportional to 805,344,062.92, 1,208,017,495.65 and 252,688,903.51 is: 379,033,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,344,062.92 : 1,208,017,495.65 = 252,688,903.51 : x
  2. Step 2: Convert to fraction form
    805,344,062.92/1,208,017,495.65 = 252,688,903.51/x
  3. Step 3: Cross multiply
    805,344,062.92x = 1,208,017,495.65 × 252,688,903.51
  4. Step 4: Simplify right side
    805,344,062.92x = 305,252,616,396,694,720
  5. Step 5: Solve for x
    x = 305,252,616,396,694,720/805,344,062.92
  6. Step 6: Final answer
    x = 379,033,794.93

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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.