Home / 13,917,162,202.76-19,205,686,972.50-7,658,912,986.76

Finding the Fourth Proportional to 13,917,162,202.76, 19,205,686,972.50 and 7,658,912,986.76

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Solution

The fourth proportional to 13,917,162,202.76, 19,205,686,972.50 and 7,658,912,986.76 is: 10,569,301,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,162,202.76 : 19,205,686,972.50 = 7,658,912,986.76 : x
  2. Step 2: Convert to fraction form
    13,917,162,202.76/19,205,686,972.50 = 7,658,912,986.76/x
  3. Step 3: Cross multiply
    13,917,162,202.76x = 19,205,686,972.50 × 7,658,912,986.76
  4. Step 4: Simplify right side
    13,917,162,202.76x = 147,094,685,373,327,605,760
  5. Step 5: Solve for x
    x = 147,094,685,373,327,605,760/13,917,162,202.76
  6. Step 6: Final answer
    x = 10,569,301,645.72

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Double scale
Find fourth proportional to 13,917,162,203.76, 19,205,686,973.88 and 7,658,912,987.76
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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.