Home / 290,404,002,441.25-435,606,820,877.22-111,384,863,952.78

Finding the Fourth Proportional to 290,404,002,441.25, 435,606,820,877.22 and 111,384,863,952.78

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Solution

The fourth proportional to 290,404,002,441.25, 435,606,820,877.22 and 111,384,863,952.78 is: 167,077,609,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,404,002,441.25 : 435,606,820,877.22 = 111,384,863,952.78 : x
  2. Step 2: Convert to fraction form
    290,404,002,441.25/435,606,820,877.22 = 111,384,863,952.78/x
  3. Step 3: Cross multiply
    290,404,002,441.25x = 435,606,820,877.22 × 111,384,863,952.78
  4. Step 4: Simplify right side
    290,404,002,441.25x = 48,520,006,480,312,152,358,912
  5. Step 5: Solve for x
    x = 48,520,006,480,312,152,358,912/290,404,002,441.25
  6. Step 6: Final answer
    x = 167,077,609,373.27

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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.