Home / 7,125,636,845.90-10,693,557,102.45-2,988,049,796.30

Finding the Fourth Proportional to 7,125,636,845.90, 10,693,557,102.45 and 2,988,049,796.30

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Solution

The fourth proportional to 7,125,636,845.90, 10,693,557,102.45 and 2,988,049,796.30 is: 4,484,214,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,636,845.90 : 10,693,557,102.45 = 2,988,049,796.30 : x
  2. Step 2: Convert to fraction form
    7,125,636,845.90/10,693,557,102.45 = 2,988,049,796.30/x
  3. Step 3: Cross multiply
    7,125,636,845.90x = 10,693,557,102.45 × 2,988,049,796.30
  4. Step 4: Simplify right side
    7,125,636,845.90x = 31,952,881,121,698,144,256
  5. Step 5: Solve for x
    x = 31,952,881,121,698,144,256/7,125,636,845.90
  6. Step 6: Final answer
    x = 4,484,214,086.78

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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.