Home / 1,142,906,616,847-1,577,108,616,894.10-661,762,843,309.80

Finding the Fourth Proportional to 1,142,906,616,847, 1,577,108,616,894.10 and 661,762,843,309.80

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Solution

The fourth proportional to 1,142,906,616,847, 1,577,108,616,894.10 and 661,762,843,309.80 is: 913,173,366,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,906,616,847 : 1,577,108,616,894.10 = 661,762,843,309.80 : x
  2. Step 2: Convert to fraction form
    1,142,906,616,847/1,577,108,616,894.10 = 661,762,843,309.80/x
  3. Step 3: Cross multiply
    1,142,906,616,847x = 1,577,108,616,894.10 × 661,762,843,309.80
  4. Step 4: Simplify right side
    1,142,906,616,847x = 1,043,671,882,524,225,842,446,336
  5. Step 5: Solve for x
    x = 1,043,671,882,524,225,842,446,336/1,142,906,616,847
  6. Step 6: Final answer
    x = 913,173,366,170.07

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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.