Home / 18,645,416,309.36-25,730,374,222.68-10,187,058,468.08

Finding the Fourth Proportional to 18,645,416,309.36, 25,730,374,222.68 and 10,187,058,468.08

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Solution

The fourth proportional to 18,645,416,309.36, 25,730,374,222.68 and 10,187,058,468.08 is: 14,057,976,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645,416,309.36 : 25,730,374,222.68 = 10,187,058,468.08 : x
  2. Step 2: Convert to fraction form
    18,645,416,309.36/25,730,374,222.68 = 10,187,058,468.08/x
  3. Step 3: Cross multiply
    18,645,416,309.36x = 25,730,374,222.68 × 10,187,058,468.08
  4. Step 4: Simplify right side
    18,645,416,309.36x = 262,116,826,612,019,658,752
  5. Step 5: Solve for x
    x = 262,116,826,612,019,658,752/18,645,416,309.36
  6. Step 6: Final answer
    x = 14,057,976,623.48

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Double scale
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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.