Home / 422,756,643.90-634,134,965.85-241,358,115.90

Finding the Fourth Proportional to 422,756,643.90, 634,134,965.85 and 241,358,115.90

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Solution

The fourth proportional to 422,756,643.90, 634,134,965.85 and 241,358,115.90 is: 362,037,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,756,643.90 : 634,134,965.85 = 241,358,115.90 : x
  2. Step 2: Convert to fraction form
    422,756,643.90/634,134,965.85 = 241,358,115.90/x
  3. Step 3: Cross multiply
    422,756,643.90x = 634,134,965.85 × 241,358,115.90
  4. Step 4: Simplify right side
    422,756,643.90x = 153,053,620,583,866,848
  5. Step 5: Solve for x
    x = 153,053,620,583,866,848/422,756,643.90
  6. Step 6: Final answer
    x = 362,037,173.85

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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.