Home / 1,509,139,104.02-2,263,954,355.36-445,669,520.30

Finding the Fourth Proportional to 1,509,139,104.02, 2,263,954,355.36 and 445,669,520.30

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Solution

The fourth proportional to 1,509,139,104.02, 2,263,954,355.36 and 445,669,520.30 is: 668,576,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,139,104.02 : 2,263,954,355.36 = 445,669,520.30 : x
  2. Step 2: Convert to fraction form
    1,509,139,104.02/2,263,954,355.36 = 445,669,520.30/x
  3. Step 3: Cross multiply
    1,509,139,104.02x = 2,263,954,355.36 × 445,669,520.30
  4. Step 4: Simplify right side
    1,509,139,104.02x = 1,008,975,451,534,387,072
  5. Step 5: Solve for x
    x = 1,008,975,451,534,387,072/1,509,139,104.02
  6. Step 6: Final answer
    x = 668,576,838.84

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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.