Home / 1,322,849,943.86-1,825,518,435.44-728,121,712.82

Finding the Fourth Proportional to 1,322,849,943.86, 1,825,518,435.44 and 728,121,712.82

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Solution

The fourth proportional to 1,322,849,943.86, 1,825,518,435.44 and 728,121,712.82 is: 1,004,799,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,849,943.86 : 1,825,518,435.44 = 728,121,712.82 : x
  2. Step 2: Convert to fraction form
    1,322,849,943.86/1,825,518,435.44 = 728,121,712.82/x
  3. Step 3: Cross multiply
    1,322,849,943.86x = 1,825,518,435.44 × 728,121,712.82
  4. Step 4: Simplify right side
    1,322,849,943.86x = 1,329,199,609,997,059,584
  5. Step 5: Solve for x
    x = 1,329,199,609,997,059,584/1,322,849,943.86
  6. Step 6: Final answer
    x = 1,004,799,989.72

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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.