Home / 679,949,111.20-1,019,923,666.80-531,995,936.80

Finding the Fourth Proportional to 679,949,111.20, 1,019,923,666.80 and 531,995,936.80

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Solution

The fourth proportional to 679,949,111.20, 1,019,923,666.80 and 531,995,936.80 is: 797,993,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,949,111.20 : 1,019,923,666.80 = 531,995,936.80 : x
  2. Step 2: Convert to fraction form
    679,949,111.20/1,019,923,666.80 = 531,995,936.80/x
  3. Step 3: Cross multiply
    679,949,111.20x = 1,019,923,666.80 × 531,995,936.80
  4. Step 4: Simplify right side
    679,949,111.20x = 542,595,246,583,757,056
  5. Step 5: Solve for x
    x = 542,595,246,583,757,056/679,949,111.20
  6. Step 6: Final answer
    x = 797,993,905.20

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1.5x scale

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.