Home / 987,875,736.45-1,363,270,464.06-541,842,729.82

Finding the Fourth Proportional to 987,875,736.45, 1,363,270,464.06 and 541,842,729.82

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Solution

The fourth proportional to 987,875,736.45, 1,363,270,464.06 and 541,842,729.82 is: 747,744,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,875,736.45 : 1,363,270,464.06 = 541,842,729.82 : x
  2. Step 2: Convert to fraction form
    987,875,736.45/1,363,270,464.06 = 541,842,729.82/x
  3. Step 3: Cross multiply
    987,875,736.45x = 1,363,270,464.06 × 541,842,729.82
  4. Step 4: Simplify right side
    987,875,736.45x = 738,678,189,723,835,520
  5. Step 5: Solve for x
    x = 738,678,189,723,835,520/987,875,736.45
  6. Step 6: Final answer
    x = 747,744,035.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.