Home / 12,690,018,749,060-17,512,285,177,727-7,209,421,291,924

Finding the Fourth Proportional to 12,690,018,749,060, 17,512,285,177,727 and 7,209,421,291,924

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Solution

The fourth proportional to 12,690,018,749,060, 17,512,285,177,727 and 7,209,421,291,924 is: 9,949,035,074,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,018,749,060 : 17,512,285,177,727 = 7,209,421,291,924 : x
  2. Step 2: Convert to fraction form
    12,690,018,749,060/17,512,285,177,727 = 7,209,421,291,924/x
  3. Step 3: Cross multiply
    12,690,018,749,060x = 17,512,285,177,727 × 7,209,421,291,924
  4. Step 4: Simplify right side
    12,690,018,749,060x = 126,253,441,630,550,103,204,823,040
  5. Step 5: Solve for x
    x = 126,253,441,630,550,103,204,823,040/12,690,018,749,060
  6. Step 6: Final answer
    x = 9,949,035,074,507.06

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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.