Home / 13,917,162,187.76-19,205,686,951.80-7,658,912,971.76

Finding the Fourth Proportional to 13,917,162,187.76, 19,205,686,951.80 and 7,658,912,971.76

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Solution

The fourth proportional to 13,917,162,187.76, 19,205,686,951.80 and 7,658,912,971.76 is: 10,569,301,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,162,187.76 : 19,205,686,951.80 = 7,658,912,971.76 : x
  2. Step 2: Convert to fraction form
    13,917,162,187.76/19,205,686,951.80 = 7,658,912,971.76/x
  3. Step 3: Cross multiply
    13,917,162,187.76x = 19,205,686,951.80 × 7,658,912,971.76
  4. Step 4: Simplify right side
    13,917,162,187.76x = 147,094,684,926,702,796,800
  5. Step 5: Solve for x
    x = 147,094,684,926,702,796,800/13,917,162,187.76
  6. Step 6: Final answer
    x = 10,569,301,625.02

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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.