Home / 1,917,442,542.70-2,870,117,196.45-1,856,976,366.70

Finding the Fourth Proportional to 1,917,442,542.70, 2,870,117,196.45 and 1,856,976,366.70

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Solution

The fourth proportional to 1,917,442,542.70, 2,870,117,196.45 and 1,856,976,366.70 is: 2,779,608,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,442,542.70 : 2,870,117,196.45 = 1,856,976,366.70 : x
  2. Step 2: Convert to fraction form
    1,917,442,542.70/2,870,117,196.45 = 1,856,976,366.70/x
  3. Step 3: Cross multiply
    1,917,442,542.70x = 2,870,117,196.45 × 1,856,976,366.70
  4. Step 4: Simplify right side
    1,917,442,542.70x = 5,329,739,803,466,910,720
  5. Step 5: Solve for x
    x = 5,329,739,803,466,910,720/1,917,442,542.70
  6. Step 6: Final answer
    x = 2,779,608,611.35

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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.