Home / 1,008,879,564-1,513,756,234.76-541,996,245.20

Finding the Fourth Proportional to 1,008,879,564, 1,513,756,234.76 and 541,996,245.20

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Solution

The fourth proportional to 1,008,879,564, 1,513,756,234.76 and 541,996,245.20 is: 813,229,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,879,564 : 1,513,756,234.76 = 541,996,245.20 : x
  2. Step 2: Convert to fraction form
    1,008,879,564/1,513,756,234.76 = 541,996,245.20/x
  3. Step 3: Cross multiply
    1,008,879,564x = 1,513,756,234.76 × 541,996,245.20
  4. Step 4: Simplify right side
    1,008,879,564x = 820,450,195,388,009,728
  5. Step 5: Solve for x
    x = 820,450,195,388,009,728/1,008,879,564
  6. Step 6: Final answer
    x = 813,229,075.76

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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.