Home / 610,412,861,280.45-915,619,291,920.67-252,145,764,077.70

Finding the Fourth Proportional to 610,412,861,280.45, 915,619,291,920.67 and 252,145,764,077.70

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Solution

The fourth proportional to 610,412,861,280.45, 915,619,291,920.67 and 252,145,764,077.70 is: 378,218,646,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,412,861,280.45 : 915,619,291,920.67 = 252,145,764,077.70 : x
  2. Step 2: Convert to fraction form
    610,412,861,280.45/915,619,291,920.67 = 252,145,764,077.70/x
  3. Step 3: Cross multiply
    610,412,861,280.45x = 915,619,291,920.67 × 252,145,764,077.70
  4. Step 4: Simplify right side
    610,412,861,280.45x = 230,869,525,965,619,993,772,032
  5. Step 5: Solve for x
    x = 230,869,525,965,619,993,772,032/610,412,861,280.45
  6. Step 6: Final answer
    x = 378,218,646,116.55

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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.