Home / 13,831,101,066.07-19,086,925,633.47-7,487,468,693.73

Finding the Fourth Proportional to 13,831,101,066.07, 19,086,925,633.47 and 7,487,468,693.73

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Solution

The fourth proportional to 13,831,101,066.07, 19,086,925,633.47 and 7,487,468,693.73 is: 10,332,710,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,101,066.07 : 19,086,925,633.47 = 7,487,468,693.73 : x
  2. Step 2: Convert to fraction form
    13,831,101,066.07/19,086,925,633.47 = 7,487,468,693.73/x
  3. Step 3: Cross multiply
    13,831,101,066.07x = 19,086,925,633.47 × 7,487,468,693.73
  4. Step 4: Simplify right side
    13,831,101,066.07x = 142,912,758,140,159,279,104
  5. Step 5: Solve for x
    x = 142,912,758,140,159,279,104/13,831,101,066.07
  6. Step 6: Final answer
    x = 10,332,710,133.31

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Double scale
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1.5x scale

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.