Home / 1,106,355,080.40-1,659,616,601.40-329,940,142.80

Finding the Fourth Proportional to 1,106,355,080.40, 1,659,616,601.40 and 329,940,142.80

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Solution

The fourth proportional to 1,106,355,080.40, 1,659,616,601.40 and 329,940,142.80 is: 494,935,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,355,080.40 : 1,659,616,601.40 = 329,940,142.80 : x
  2. Step 2: Convert to fraction form
    1,106,355,080.40/1,659,616,601.40 = 329,940,142.80/x
  3. Step 3: Cross multiply
    1,106,355,080.40x = 1,659,616,601.40 × 329,940,142.80
  4. Step 4: Simplify right side
    1,106,355,080.40x = 547,574,138,459,166,720
  5. Step 5: Solve for x
    x = 547,574,138,459,166,720/1,106,355,080.40
  6. Step 6: Final answer
    x = 494,935,259.18

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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.