Home / 1,077,663,896.20-1,616,495,844.30-845,211,602.80

Finding the Fourth Proportional to 1,077,663,896.20, 1,616,495,844.30 and 845,211,602.80

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Solution

The fourth proportional to 1,077,663,896.20, 1,616,495,844.30 and 845,211,602.80 is: 1,267,817,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,663,896.20 : 1,616,495,844.30 = 845,211,602.80 : x
  2. Step 2: Convert to fraction form
    1,077,663,896.20/1,616,495,844.30 = 845,211,602.80/x
  3. Step 3: Cross multiply
    1,077,663,896.20x = 1,616,495,844.30 × 845,211,602.80
  4. Step 4: Simplify right side
    1,077,663,896.20x = 1,366,281,043,480,342,016
  5. Step 5: Solve for x
    x = 1,366,281,043,480,342,016/1,077,663,896.20
  6. Step 6: Final answer
    x = 1,267,817,404.20

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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.