Home / 1,228,720,465.71-1,844,392,259.61-529,557,645.69

Finding the Fourth Proportional to 1,228,720,465.71, 1,844,392,259.61 and 529,557,645.69

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Solution

The fourth proportional to 1,228,720,465.71, 1,844,392,259.61 and 529,557,645.69 is: 794,901,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,720,465.71 : 1,844,392,259.61 = 529,557,645.69 : x
  2. Step 2: Convert to fraction form
    1,228,720,465.71/1,844,392,259.61 = 529,557,645.69/x
  3. Step 3: Cross multiply
    1,228,720,465.71x = 1,844,392,259.61 × 529,557,645.69
  4. Step 4: Simplify right side
    1,228,720,465.71x = 976,712,022,727,930,880
  5. Step 5: Solve for x
    x = 976,712,022,727,930,880/1,228,720,465.71
  6. Step 6: Final answer
    x = 794,901,729.06

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.