Home / 1,673,305,807.25-2,510,265,164.80-690,196,049.18

Finding the Fourth Proportional to 1,673,305,807.25, 2,510,265,164.80 and 690,196,049.18

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Solution

The fourth proportional to 1,673,305,807.25, 2,510,265,164.80 and 690,196,049.18 is: 1,035,420,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,305,807.25 : 2,510,265,164.80 = 690,196,049.18 : x
  2. Step 2: Convert to fraction form
    1,673,305,807.25/2,510,265,164.80 = 690,196,049.18/x
  3. Step 3: Cross multiply
    1,673,305,807.25x = 2,510,265,164.80 × 690,196,049.18
  4. Step 4: Simplify right side
    1,673,305,807.25x = 1,732,575,099,139,141,632
  5. Step 5: Solve for x
    x = 1,732,575,099,139,141,632/1,673,305,807.25
  6. Step 6: Final answer
    x = 1,035,420,478.21

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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.