Home / 12,821,633,925.92-17,693,856,494.93-7,106,287,337.30

Finding the Fourth Proportional to 12,821,633,925.92, 17,693,856,494.93 and 7,106,287,337.30

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Solution

The fourth proportional to 12,821,633,925.92, 17,693,856,494.93 and 7,106,287,337.30 is: 9,806,677,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,633,925.92 : 17,693,856,494.93 = 7,106,287,337.30 : x
  2. Step 2: Convert to fraction form
    12,821,633,925.92/17,693,856,494.93 = 7,106,287,337.30/x
  3. Step 3: Cross multiply
    12,821,633,925.92x = 17,693,856,494.93 × 7,106,287,337.30
  4. Step 4: Simplify right side
    12,821,633,925.92x = 125,737,628,357,928,026,112
  5. Step 5: Solve for x
    x = 125,737,628,357,928,026,112/12,821,633,925.92
  6. Step 6: Final answer
    x = 9,806,677,455.03

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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.