Home / 882,961,948.96-1,218,525,088.08-491,821,269.28

Finding the Fourth Proportional to 882,961,948.96, 1,218,525,088.08 and 491,821,269.28

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Solution

The fourth proportional to 882,961,948.96, 1,218,525,088.08 and 491,821,269.28 is: 678,734,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,961,948.96 : 1,218,525,088.08 = 491,821,269.28 : x
  2. Step 2: Convert to fraction form
    882,961,948.96/1,218,525,088.08 = 491,821,269.28/x
  3. Step 3: Cross multiply
    882,961,948.96x = 1,218,525,088.08 × 491,821,269.28
  4. Step 4: Simplify right side
    882,961,948.96x = 599,296,555,469,029,376
  5. Step 5: Solve for x
    x = 599,296,555,469,029,376/882,961,948.96
  6. Step 6: Final answer
    x = 678,734,294.47

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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.