Home / 805,886,145.45-1,208,829,218.18-741,388,891.05

Finding the Fourth Proportional to 805,886,145.45, 1,208,829,218.18 and 741,388,891.05

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Solution

The fourth proportional to 805,886,145.45, 1,208,829,218.18 and 741,388,891.05 is: 1,112,083,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,886,145.45 : 1,208,829,218.18 = 741,388,891.05 : x
  2. Step 2: Convert to fraction form
    805,886,145.45/1,208,829,218.18 = 741,388,891.05/x
  3. Step 3: Cross multiply
    805,886,145.45x = 1,208,829,218.18 × 741,388,891.05
  4. Step 4: Simplify right side
    805,886,145.45x = 896,212,553,531,601,664
  5. Step 5: Solve for x
    x = 896,212,553,531,601,664/805,886,145.45
  6. Step 6: Final answer
    x = 1,112,083,336.58

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1.5x scale

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.