Home / 1,322,850,005.92-1,825,518,521.28-728,121,774.88

Finding the Fourth Proportional to 1,322,850,005.92, 1,825,518,521.28 and 728,121,774.88

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Solution

The fourth proportional to 1,322,850,005.92, 1,825,518,521.28 and 728,121,774.88 is: 1,004,800,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,850,005.92 : 1,825,518,521.28 = 728,121,774.88 : x
  2. Step 2: Convert to fraction form
    1,322,850,005.92/1,825,518,521.28 = 728,121,774.88/x
  3. Step 3: Cross multiply
    1,322,850,005.92x = 1,825,518,521.28 × 728,121,774.88
  4. Step 4: Simplify right side
    1,322,850,005.92x = 1,329,199,785,790,706,688
  5. Step 5: Solve for x
    x = 1,329,199,785,790,706,688/1,322,850,005.92
  6. Step 6: Final answer
    x = 1,004,800,075.48

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1.5x scale

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.