Home / 7,901,532,785.65-11,853,627,714.38-3,917,813,506.25

Finding the Fourth Proportional to 7,901,532,785.65, 11,853,627,714.38 and 3,917,813,506.25

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Solution

The fourth proportional to 7,901,532,785.65, 11,853,627,714.38 and 3,917,813,506.25 is: 5,877,378,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901,532,785.65 : 11,853,627,714.38 = 3,917,813,506.25 : x
  2. Step 2: Convert to fraction form
    7,901,532,785.65/11,853,627,714.38 = 3,917,813,506.25/x
  3. Step 3: Cross multiply
    7,901,532,785.65x = 11,853,627,714.38 × 3,917,813,506.25
  4. Step 4: Simplify right side
    7,901,532,785.65x = 46,440,302,757,472,067,584
  5. Step 5: Solve for x
    x = 46,440,302,757,472,067,584/7,901,532,785.65
  6. Step 6: Final answer
    x = 5,877,378,986.74

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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.