Home / 12,857,895,142,640-17,731,976,513,118-9,384,011,748,264

Finding the Fourth Proportional to 12,857,895,142,640, 17,731,976,513,118 and 9,384,011,748,264

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Solution

The fourth proportional to 12,857,895,142,640, 17,731,976,513,118 and 9,384,011,748,264 is: 12,941,237,587,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,895,142,640 : 17,731,976,513,118 = 9,384,011,748,264 : x
  2. Step 2: Convert to fraction form
    12,857,895,142,640/17,731,976,513,118 = 9,384,011,748,264/x
  3. Step 3: Cross multiply
    12,857,895,142,640x = 17,731,976,513,118 × 9,384,011,748,264
  4. Step 4: Simplify right side
    12,857,895,142,640x = 166,397,075,919,040,629,534,883,840
  5. Step 5: Solve for x
    x = 166,397,075,919,040,629,534,883,840/12,857,895,142,640
  6. Step 6: Final answer
    x = 12,941,237,587,731.31

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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.