Home / 1,451,337,529.79-2,003,015,825.69-824,900,122.43

Finding the Fourth Proportional to 1,451,337,529.79, 2,003,015,825.69 and 824,900,122.43

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Solution

The fourth proportional to 1,451,337,529.79, 2,003,015,825.69 and 824,900,122.43 is: 1,138,458,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,337,529.79 : 2,003,015,825.69 = 824,900,122.43 : x
  2. Step 2: Convert to fraction form
    1,451,337,529.79/2,003,015,825.69 = 824,900,122.43/x
  3. Step 3: Cross multiply
    1,451,337,529.79x = 2,003,015,825.69 × 824,900,122.43
  4. Step 4: Simplify right side
    1,451,337,529.79x = 1,652,287,999,841,791,488
  5. Step 5: Solve for x
    x = 1,652,287,999,841,791,488/1,451,337,529.79
  6. Step 6: Final answer
    x = 1,138,458,811.91

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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.