Home / 3,421,919,640.80-5,132,879,461.20-1,240,956,927.20

Finding the Fourth Proportional to 3,421,919,640.80, 5,132,879,461.20 and 1,240,956,927.20

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Solution

The fourth proportional to 3,421,919,640.80, 5,132,879,461.20 and 1,240,956,927.20 is: 1,861,435,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,919,640.80 : 5,132,879,461.20 = 1,240,956,927.20 : x
  2. Step 2: Convert to fraction form
    3,421,919,640.80/5,132,879,461.20 = 1,240,956,927.20/x
  3. Step 3: Cross multiply
    3,421,919,640.80x = 5,132,879,461.20 × 1,240,956,927.20
  4. Step 4: Simplify right side
    3,421,919,640.80x = 6,369,682,323,858,743,296
  5. Step 5: Solve for x
    x = 6,369,682,323,858,743,296/3,421,919,640.80
  6. Step 6: Final answer
    x = 1,861,435,390.80

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Double scale
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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.