Home / 540,563,507.66-810,763,334.26-147,120,993.47

Finding the Fourth Proportional to 540,563,507.66, 810,763,334.26 and 147,120,993.47

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Solution

The fourth proportional to 540,563,507.66, 810,763,334.26 and 147,120,993.47 is: 220,659,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,563,507.66 : 810,763,334.26 = 147,120,993.47 : x
  2. Step 2: Convert to fraction form
    540,563,507.66/810,763,334.26 = 147,120,993.47/x
  3. Step 3: Cross multiply
    540,563,507.66x = 810,763,334.26 × 147,120,993.47
  4. Step 4: Simplify right side
    540,563,507.66x = 119,280,307,205,380,880
  5. Step 5: Solve for x
    x = 119,280,307,205,380,880/540,563,507.66
  6. Step 6: Final answer
    x = 220,659,192.70

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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.