Home / 1,036,019,762.70-1,553,993,701.65-259,672,217.10

Finding the Fourth Proportional to 1,036,019,762.70, 1,553,993,701.65 and 259,672,217.10

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Solution

The fourth proportional to 1,036,019,762.70, 1,553,993,701.65 and 259,672,217.10 is: 389,499,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,762.70 : 1,553,993,701.65 = 259,672,217.10 : x
  2. Step 2: Convert to fraction form
    1,036,019,762.70/1,553,993,701.65 = 259,672,217.10/x
  3. Step 3: Cross multiply
    1,036,019,762.70x = 1,553,993,701.65 × 259,672,217.10
  4. Step 4: Simplify right side
    1,036,019,762.70x = 403,528,989,866,891,456
  5. Step 5: Solve for x
    x = 403,528,989,866,891,456/1,036,019,762.70
  6. Step 6: Final answer
    x = 389,499,316.90

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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.