Home / 1,328,680,858.65-1,993,021,287.98-552,068,410.65

Finding the Fourth Proportional to 1,328,680,858.65, 1,993,021,287.98 and 552,068,410.65

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Solution

The fourth proportional to 1,328,680,858.65, 1,993,021,287.98 and 552,068,410.65 is: 828,102,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,680,858.65 : 1,993,021,287.98 = 552,068,410.65 : x
  2. Step 2: Convert to fraction form
    1,328,680,858.65/1,993,021,287.98 = 552,068,410.65/x
  3. Step 3: Cross multiply
    1,328,680,858.65x = 1,993,021,287.98 × 552,068,410.65
  4. Step 4: Simplify right side
    1,328,680,858.65x = 1,100,284,094,843,974,144
  5. Step 5: Solve for x
    x = 1,100,284,094,843,974,144/1,328,680,858.65
  6. Step 6: Final answer
    x = 828,102,615.98

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Double scale
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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.