Home / 1,917,442,541.70-2,870,117,194.95-1,856,976,365.70

Finding the Fourth Proportional to 1,917,442,541.70, 2,870,117,194.95 and 1,856,976,365.70

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Solution

The fourth proportional to 1,917,442,541.70, 2,870,117,194.95 and 1,856,976,365.70 is: 2,779,608,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,442,541.70 : 2,870,117,194.95 = 1,856,976,365.70 : x
  2. Step 2: Convert to fraction form
    1,917,442,541.70/2,870,117,194.95 = 1,856,976,365.70/x
  3. Step 3: Cross multiply
    1,917,442,541.70x = 2,870,117,194.95 × 1,856,976,365.70
  4. Step 4: Simplify right side
    1,917,442,541.70x = 5,329,739,797,811,329,024
  5. Step 5: Solve for x
    x = 5,329,739,797,811,329,024/1,917,442,541.70
  6. Step 6: Final answer
    x = 2,779,608,609.85

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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.