Home / 1,225,644,773-1,689,413,940.78-829,023,121.40

Finding the Fourth Proportional to 1,225,644,773, 1,689,413,940.78 and 829,023,121.40

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Solution

The fourth proportional to 1,225,644,773, 1,689,413,940.78 and 829,023,121.40 is: 1,142,715,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,644,773 : 1,689,413,940.78 = 829,023,121.40 : x
  2. Step 2: Convert to fraction form
    1,225,644,773/1,689,413,940.78 = 829,023,121.40/x
  3. Step 3: Cross multiply
    1,225,644,773x = 1,689,413,940.78 × 829,023,121.40
  4. Step 4: Simplify right side
    1,225,644,773x = 1,400,563,218,522,110,208
  5. Step 5: Solve for x
    x = 1,400,563,218,522,110,208/1,225,644,773
  6. Step 6: Final answer
    x = 1,142,715,450.17

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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.