Home / 14,417,635,867.92-21,632,668,657.97-7,783,947,897.57

Finding the Fourth Proportional to 14,417,635,867.92, 21,632,668,657.97 and 7,783,947,897.57

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Solution

The fourth proportional to 14,417,635,867.92, 21,632,668,657.97 and 7,783,947,897.57 is: 11,679,277,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417,635,867.92 : 21,632,668,657.97 = 7,783,947,897.57 : x
  2. Step 2: Convert to fraction form
    14,417,635,867.92/21,632,668,657.97 = 7,783,947,897.57/x
  3. Step 3: Cross multiply
    14,417,635,867.92x = 21,632,668,657.97 × 7,783,947,897.57
  4. Step 4: Simplify right side
    14,417,635,867.92x = 168,387,565,718,995,075,072
  5. Step 5: Solve for x
    x = 168,387,565,718,995,075,072/14,417,635,867.92
  6. Step 6: Final answer
    x = 11,679,277,189.52

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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.