Home / 265,809,569,253.06-366,817,223,498.78-145,515,507,418.53

Finding the Fourth Proportional to 265,809,569,253.06, 366,817,223,498.78 and 145,515,507,418.53

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Solution

The fourth proportional to 265,809,569,253.06, 366,817,223,498.78 and 145,515,507,418.53 is: 200,811,410,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,809,569,253.06 : 366,817,223,498.78 = 145,515,507,418.53 : x
  2. Step 2: Convert to fraction form
    265,809,569,253.06/366,817,223,498.78 = 145,515,507,418.53/x
  3. Step 3: Cross multiply
    265,809,569,253.06x = 366,817,223,498.78 × 145,515,507,418.53
  4. Step 4: Simplify right side
    265,809,569,253.06x = 53,377,594,407,281,305,321,472
  5. Step 5: Solve for x
    x = 53,377,594,407,281,305,321,472/265,809,569,253.06
  6. Step 6: Final answer
    x = 200,811,410,052.98

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1.5x scale

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.