Home / 314,284,923,321.05-471,427,384,448.76-75,519,572,381.20

Finding the Fourth Proportional to 314,284,923,321.05, 471,427,384,448.76 and 75,519,572,381.20

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Solution

The fourth proportional to 314,284,923,321.05, 471,427,384,448.76 and 75,519,572,381.20 is: 113,279,358,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,284,923,321.05 : 471,427,384,448.76 = 75,519,572,381.20 : x
  2. Step 2: Convert to fraction form
    314,284,923,321.05/471,427,384,448.76 = 75,519,572,381.20/x
  3. Step 3: Cross multiply
    314,284,923,321.05x = 471,427,384,448.76 × 75,519,572,381.20
  4. Step 4: Simplify right side
    314,284,923,321.05x = 35,601,994,482,357,930,819,584
  5. Step 5: Solve for x
    x = 35,601,994,482,357,930,819,584/314,284,923,321.05
  6. Step 6: Final answer
    x = 113,279,358,443.77

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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.