Home / 13,917,162,189.76-19,205,686,954.56-7,658,912,973.76

Finding the Fourth Proportional to 13,917,162,189.76, 19,205,686,954.56 and 7,658,912,973.76

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Solution

The fourth proportional to 13,917,162,189.76, 19,205,686,954.56 and 7,658,912,973.76 is: 10,569,301,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,162,189.76 : 19,205,686,954.56 = 7,658,912,973.76 : x
  2. Step 2: Convert to fraction form
    13,917,162,189.76/19,205,686,954.56 = 7,658,912,973.76/x
  3. Step 3: Cross multiply
    13,917,162,189.76x = 19,205,686,954.56 × 7,658,912,973.76
  4. Step 4: Simplify right side
    13,917,162,189.76x = 147,094,684,986,252,787,712
  5. Step 5: Solve for x
    x = 147,094,684,986,252,787,712/13,917,162,189.76
  6. Step 6: Final answer
    x = 10,569,301,627.78

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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.