Home / 1,152,453,465.76-1,589,790,642.96-781,048,481.44

Finding the Fourth Proportional to 1,152,453,465.76, 1,589,790,642.96 and 781,048,481.44

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Solution

The fourth proportional to 1,152,453,465.76, 1,589,790,642.96 and 781,048,481.44 is: 1,077,443,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,453,465.76 : 1,589,790,642.96 = 781,048,481.44 : x
  2. Step 2: Convert to fraction form
    1,152,453,465.76/1,589,790,642.96 = 781,048,481.44/x
  3. Step 3: Cross multiply
    1,152,453,465.76x = 1,589,790,642.96 × 781,048,481.44
  4. Step 4: Simplify right side
    1,152,453,465.76x = 1,241,703,567,491,429,376
  5. Step 5: Solve for x
    x = 1,241,703,567,491,429,376/1,152,453,465.76
  6. Step 6: Final answer
    x = 1,077,443,562.26

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Double scale
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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.