Home / 1,152,453,467.76-1,589,790,645.72-781,048,483.44

Finding the Fourth Proportional to 1,152,453,467.76, 1,589,790,645.72 and 781,048,483.44

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Solution

The fourth proportional to 1,152,453,467.76, 1,589,790,645.72 and 781,048,483.44 is: 1,077,443,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,453,467.76 : 1,589,790,645.72 = 781,048,483.44 : x
  2. Step 2: Convert to fraction form
    1,152,453,467.76/1,589,790,645.72 = 781,048,483.44/x
  3. Step 3: Cross multiply
    1,152,453,467.76x = 1,589,790,645.72 × 781,048,483.44
  4. Step 4: Simplify right side
    1,152,453,467.76x = 1,241,703,572,826,704,384
  5. Step 5: Solve for x
    x = 1,241,703,572,826,704,384/1,152,453,467.76
  6. Step 6: Final answer
    x = 1,077,443,565.02

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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.