Home / 1,529,891,265.40-2,289,546,107.70-916,915,406.20

Finding the Fourth Proportional to 1,529,891,265.40, 2,289,546,107.70 and 916,915,406.20

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Solution

The fourth proportional to 1,529,891,265.40, 2,289,546,107.70 and 916,915,406.20 is: 1,372,202,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,891,265.40 : 2,289,546,107.70 = 916,915,406.20 : x
  2. Step 2: Convert to fraction form
    1,529,891,265.40/2,289,546,107.70 = 916,915,406.20/x
  3. Step 3: Cross multiply
    1,529,891,265.40x = 2,289,546,107.70 × 916,915,406.20
  4. Step 4: Simplify right side
    1,529,891,265.40x = 2,099,320,099,355,374,336
  5. Step 5: Solve for x
    x = 2,099,320,099,355,374,336/1,529,891,265.40
  6. Step 6: Final answer
    x = 1,372,202,160.27

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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.