Home / 7,896,789,979.74-11,845,184,250.32-3,475,209,405.44

Finding the Fourth Proportional to 7,896,789,979.74, 11,845,184,250.32 and 3,475,209,405.44

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Solution

The fourth proportional to 7,896,789,979.74, 11,845,184,250.32 and 3,475,209,405.44 is: 5,212,813,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896,789,979.74 : 11,845,184,250.32 = 3,475,209,405.44 : x
  2. Step 2: Convert to fraction form
    7,896,789,979.74/11,845,184,250.32 = 3,475,209,405.44/x
  3. Step 3: Cross multiply
    7,896,789,979.74x = 11,845,184,250.32 × 3,475,209,405.44
  4. Step 4: Simplify right side
    7,896,789,979.74x = 41,164,495,715,881,820,160
  5. Step 5: Solve for x
    x = 41,164,495,715,881,820,160/7,896,789,979.74
  6. Step 6: Final answer
    x = 5,212,813,791.62

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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.