Home / 1,322,849,942.86-1,825,518,434.06-728,121,711.82

Finding the Fourth Proportional to 1,322,849,942.86, 1,825,518,434.06 and 728,121,711.82

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Solution

The fourth proportional to 1,322,849,942.86, 1,825,518,434.06 and 728,121,711.82 is: 1,004,799,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,849,942.86 : 1,825,518,434.06 = 728,121,711.82 : x
  2. Step 2: Convert to fraction form
    1,322,849,942.86/1,825,518,434.06 = 728,121,711.82/x
  3. Step 3: Cross multiply
    1,322,849,942.86x = 1,825,518,434.06 × 728,121,711.82
  4. Step 4: Simplify right side
    1,322,849,942.86x = 1,329,199,607,166,733,056
  5. Step 5: Solve for x
    x = 1,329,199,607,166,733,056/1,322,849,942.86
  6. Step 6: Final answer
    x = 1,004,799,988.34

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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.