Home / 1,669,686,148.47-2,504,527,783.70-426,116,512.32

Finding the Fourth Proportional to 1,669,686,148.47, 2,504,527,783.70 and 426,116,512.32

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Solution

The fourth proportional to 1,669,686,148.47, 2,504,527,783.70 and 426,116,512.32 is: 639,174,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,686,148.47 : 2,504,527,783.70 = 426,116,512.32 : x
  2. Step 2: Convert to fraction form
    1,669,686,148.47/2,504,527,783.70 = 426,116,512.32/x
  3. Step 3: Cross multiply
    1,669,686,148.47x = 2,504,527,783.70 × 426,116,512.32
  4. Step 4: Simplify right side
    1,669,686,148.47x = 1,067,220,644,187,260,928
  5. Step 5: Solve for x
    x = 1,067,220,644,187,260,928/1,669,686,148.47
  6. Step 6: Final answer
    x = 639,174,401.23

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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.