Home / 14,417,635,878.65-21,632,668,674.09-7,783,947,908.30

Finding the Fourth Proportional to 14,417,635,878.65, 21,632,668,674.09 and 7,783,947,908.30

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Solution

The fourth proportional to 14,417,635,878.65, 21,632,668,674.09 and 7,783,947,908.30 is: 11,679,277,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417,635,878.65 : 21,632,668,674.09 = 7,783,947,908.30 : x
  2. Step 2: Convert to fraction form
    14,417,635,878.65/21,632,668,674.09 = 7,783,947,908.30/x
  3. Step 3: Cross multiply
    14,417,635,878.65x = 21,632,668,674.09 × 7,783,947,908.30
  4. Step 4: Simplify right side
    14,417,635,878.65x = 168,387,566,076,629,811,200
  5. Step 5: Solve for x
    x = 168,387,566,076,629,811,200/14,417,635,878.65
  6. Step 6: Final answer
    x = 11,679,277,205.63

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Double scale
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1.5x scale

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.