Home / 1,036,019,564.20-1,553,993,403.90-259,672,018.60

Finding the Fourth Proportional to 1,036,019,564.20, 1,553,993,403.90 and 259,672,018.60

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Solution

The fourth proportional to 1,036,019,564.20, 1,553,993,403.90 and 259,672,018.60 is: 389,499,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,564.20 : 1,553,993,403.90 = 259,672,018.60 : x
  2. Step 2: Convert to fraction form
    1,036,019,564.20/1,553,993,403.90 = 259,672,018.60/x
  3. Step 3: Cross multiply
    1,036,019,564.20x = 1,553,993,403.90 × 259,672,018.60
  4. Step 4: Simplify right side
    1,036,019,564.20x = 403,528,604,081,798,144
  5. Step 5: Solve for x
    x = 403,528,604,081,798,144/1,036,019,564.20
  6. Step 6: Final answer
    x = 389,499,019.16

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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.