Home / 1,036,019,730.20-1,553,993,652.90-259,672,184.60

Finding the Fourth Proportional to 1,036,019,730.20, 1,553,993,652.90 and 259,672,184.60

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Solution

The fourth proportional to 1,036,019,730.20, 1,553,993,652.90 and 259,672,184.60 is: 389,499,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,730.20 : 1,553,993,652.90 = 259,672,184.60 : x
  2. Step 2: Convert to fraction form
    1,036,019,730.20/1,553,993,652.90 = 259,672,184.60/x
  3. Step 3: Cross multiply
    1,036,019,730.20x = 1,553,993,652.90 × 259,672,184.60
  4. Step 4: Simplify right side
    1,036,019,730.20x = 403,528,926,703,077,120
  5. Step 5: Solve for x
    x = 403,528,926,703,077,120/1,036,019,730.20
  6. Step 6: Final answer
    x = 389,499,268.15

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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.