Home / 13,917,162,199.76-19,205,686,968.36-7,658,912,983.76

Finding the Fourth Proportional to 13,917,162,199.76, 19,205,686,968.36 and 7,658,912,983.76

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Solution

The fourth proportional to 13,917,162,199.76, 19,205,686,968.36 and 7,658,912,983.76 is: 10,569,301,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,162,199.76 : 19,205,686,968.36 = 7,658,912,983.76 : x
  2. Step 2: Convert to fraction form
    13,917,162,199.76/19,205,686,968.36 = 7,658,912,983.76/x
  3. Step 3: Cross multiply
    13,917,162,199.76x = 19,205,686,968.36 × 7,658,912,983.76
  4. Step 4: Simplify right side
    13,917,162,199.76x = 147,094,685,284,002,643,968
  5. Step 5: Solve for x
    x = 147,094,685,284,002,643,968/13,917,162,199.76
  6. Step 6: Final answer
    x = 10,569,301,641.58

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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.