Home / 290,404,002,440.24-435,606,820,875.72-111,384,863,951.78

Finding the Fourth Proportional to 290,404,002,440.24, 435,606,820,875.72 and 111,384,863,951.78

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Solution

The fourth proportional to 290,404,002,440.24, 435,606,820,875.72 and 111,384,863,951.78 is: 167,077,609,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,404,002,440.24 : 435,606,820,875.72 = 111,384,863,951.78 : x
  2. Step 2: Convert to fraction form
    290,404,002,440.24/435,606,820,875.72 = 111,384,863,951.78/x
  3. Step 3: Cross multiply
    290,404,002,440.24x = 435,606,820,875.72 × 111,384,863,951.78
  4. Step 4: Simplify right side
    290,404,002,440.24x = 48,520,006,479,709,464,428,544
  5. Step 5: Solve for x
    x = 48,520,006,479,709,464,428,544/290,404,002,440.24
  6. Step 6: Final answer
    x = 167,077,609,371.77

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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.