Home / 147,434,903,999.70-221,152,355,999.55-143,302,418,783.70

Finding the Fourth Proportional to 147,434,903,999.70, 221,152,355,999.55 and 143,302,418,783.70

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Solution

The fourth proportional to 147,434,903,999.70, 221,152,355,999.55 and 143,302,418,783.70 is: 214,953,628,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434,903,999.70 : 221,152,355,999.55 = 143,302,418,783.70 : x
  2. Step 2: Convert to fraction form
    147,434,903,999.70/221,152,355,999.55 = 143,302,418,783.70/x
  3. Step 3: Cross multiply
    147,434,903,999.70x = 221,152,355,999.55 × 143,302,418,783.70
  4. Step 4: Simplify right side
    147,434,903,999.70x = 31,691,667,534,449,423,155,200
  5. Step 5: Solve for x
    x = 31,691,667,534,449,423,155,200/147,434,903,999.70
  6. Step 6: Final answer
    x = 214,953,628,175.55

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1.5x scale

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.