Home / 1,036,019,622.70-1,553,993,491.65-259,672,077.10

Finding the Fourth Proportional to 1,036,019,622.70, 1,553,993,491.65 and 259,672,077.10

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Solution

The fourth proportional to 1,036,019,622.70, 1,553,993,491.65 and 259,672,077.10 is: 389,499,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,622.70 : 1,553,993,491.65 = 259,672,077.10 : x
  2. Step 2: Convert to fraction form
    1,036,019,622.70/1,553,993,491.65 = 259,672,077.10/x
  3. Step 3: Cross multiply
    1,036,019,622.70x = 1,553,993,491.65 × 259,672,077.10
  4. Step 4: Simplify right side
    1,036,019,622.70x = 403,528,717,776,636,992
  5. Step 5: Solve for x
    x = 403,528,717,776,636,992/1,036,019,622.70
  6. Step 6: Final answer
    x = 389,499,106.90

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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.