Home / 726,864,049.20-1,090,296,073.80-436,626,404.40

Finding the Fourth Proportional to 726,864,049.20, 1,090,296,073.80 and 436,626,404.40

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Solution

The fourth proportional to 726,864,049.20, 1,090,296,073.80 and 436,626,404.40 is: 654,939,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,864,049.20 : 1,090,296,073.80 = 436,626,404.40 : x
  2. Step 2: Convert to fraction form
    726,864,049.20/1,090,296,073.80 = 436,626,404.40/x
  3. Step 3: Cross multiply
    726,864,049.20x = 1,090,296,073.80 × 436,626,404.40
  4. Step 4: Simplify right side
    726,864,049.20x = 476,052,054,434,731,008
  5. Step 5: Solve for x
    x = 476,052,054,434,731,008/726,864,049.20
  6. Step 6: Final answer
    x = 654,939,606.60

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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.