Home / 290,987,956,520.12-401,559,106,414.98-162,531,279,790.24

Finding the Fourth Proportional to 290,987,956,520.12, 401,559,106,414.98 and 162,531,279,790.24

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Solution

The fourth proportional to 290,987,956,520.12, 401,559,106,414.98 and 162,531,279,790.24 is: 224,290,779,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,987,956,520.12 : 401,559,106,414.98 = 162,531,279,790.24 : x
  2. Step 2: Convert to fraction form
    290,987,956,520.12/401,559,106,414.98 = 162,531,279,790.24/x
  3. Step 3: Cross multiply
    290,987,956,520.12x = 401,559,106,414.98 × 162,531,279,790.24
  4. Step 4: Simplify right side
    290,987,956,520.12x = 65,265,915,477,051,863,728,128
  5. Step 5: Solve for x
    x = 65,265,915,477,051,863,728,128/290,987,956,520.12
  6. Step 6: Final answer
    x = 224,290,779,101.50

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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.