Home / 1,036,019,565.20-1,553,993,405.40-259,672,019.60

Finding the Fourth Proportional to 1,036,019,565.20, 1,553,993,405.40 and 259,672,019.60

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Solution

The fourth proportional to 1,036,019,565.20, 1,553,993,405.40 and 259,672,019.60 is: 389,499,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,565.20 : 1,553,993,405.40 = 259,672,019.60 : x
  2. Step 2: Convert to fraction form
    1,036,019,565.20/1,553,993,405.40 = 259,672,019.60/x
  3. Step 3: Cross multiply
    1,036,019,565.20x = 1,553,993,405.40 × 259,672,019.60
  4. Step 4: Simplify right side
    1,036,019,565.20x = 403,528,606,025,299,584
  5. Step 5: Solve for x
    x = 403,528,606,025,299,584/1,036,019,565.20
  6. Step 6: Final answer
    x = 389,499,020.66

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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.