Home / 989,548,338.30-1,365,593,081.10-543,552,914.36

Finding the Fourth Proportional to 989,548,338.30, 1,365,593,081.10 and 543,552,914.36

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Solution

The fourth proportional to 989,548,338.30, 1,365,593,081.10 and 543,552,914.36 is: 750,112,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,548,338.30 : 1,365,593,081.10 = 543,552,914.36 : x
  2. Step 2: Convert to fraction form
    989,548,338.30/1,365,593,081.10 = 543,552,914.36/x
  3. Step 3: Cross multiply
    989,548,338.30x = 1,365,593,081.10 × 543,552,914.36
  4. Step 4: Simplify right side
    989,548,338.30x = 742,272,099,061,756,800
  5. Step 5: Solve for x
    x = 742,272,099,061,756,800/989,548,338.30
  6. Step 6: Final answer
    x = 750,112,016.09

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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.