Home / 1,077,984,171.20-1,617,536,128.80-503,555,499.20

Finding the Fourth Proportional to 1,077,984,171.20, 1,617,536,128.80 and 503,555,499.20

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Solution

The fourth proportional to 1,077,984,171.20, 1,617,536,128.80 and 503,555,499.20 is: 755,594,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,984,171.20 : 1,617,536,128.80 = 503,555,499.20 : x
  2. Step 2: Convert to fraction form
    1,077,984,171.20/1,617,536,128.80 = 503,555,499.20/x
  3. Step 3: Cross multiply
    1,077,984,171.20x = 1,617,536,128.80 × 503,555,499.20
  4. Step 4: Simplify right side
    1,077,984,171.20x = 814,519,212,811,919,488
  5. Step 5: Solve for x
    x = 814,519,212,811,919,488/1,077,984,171.20
  6. Step 6: Final answer
    x = 755,594,780.12

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Double scale
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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.