Home / 1,568,890,910.52-2,165,304,834.54-1,191,927,177.72

Finding the Fourth Proportional to 1,568,890,910.52, 2,165,304,834.54 and 1,191,927,177.72

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Solution

The fourth proportional to 1,568,890,910.52, 2,165,304,834.54 and 1,191,927,177.72 is: 1,645,038,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,890,910.52 : 2,165,304,834.54 = 1,191,927,177.72 : x
  2. Step 2: Convert to fraction form
    1,568,890,910.52/2,165,304,834.54 = 1,191,927,177.72/x
  3. Step 3: Cross multiply
    1,568,890,910.52x = 2,165,304,834.54 × 1,191,927,177.72
  4. Step 4: Simplify right side
    1,568,890,910.52x = 2,580,885,680,336,733,696
  5. Step 5: Solve for x
    x = 2,580,885,680,336,733,696/1,568,890,910.52
  6. Step 6: Final answer
    x = 1,645,038,328.05

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Double scale
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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.