Home / 12,649,668,427.36-18,976,635,862.85-4,253,578,204.24

Finding the Fourth Proportional to 12,649,668,427.36, 18,976,635,862.85 and 4,253,578,204.24

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Solution

The fourth proportional to 12,649,668,427.36, 18,976,635,862.85 and 4,253,578,204.24 is: 6,381,084,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649,668,427.36 : 18,976,635,862.85 = 4,253,578,204.24 : x
  2. Step 2: Convert to fraction form
    12,649,668,427.36/18,976,635,862.85 = 4,253,578,204.24/x
  3. Step 3: Cross multiply
    12,649,668,427.36x = 18,976,635,862.85 × 4,253,578,204.24
  4. Step 4: Simplify right side
    12,649,668,427.36x = 80,718,604,696,055,316,480
  5. Step 5: Solve for x
    x = 80,718,604,696,055,316,480/12,649,668,427.36
  6. Step 6: Final answer
    x = 6,381,084,623.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.