Home / 821,435,425.29-1,133,581,883.33-445,091,722.02

Finding the Fourth Proportional to 821,435,425.29, 1,133,581,883.33 and 445,091,722.02

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Solution

The fourth proportional to 821,435,425.29, 1,133,581,883.33 and 445,091,722.02 is: 614,227,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,435,425.29 : 1,133,581,883.33 = 445,091,722.02 : x
  2. Step 2: Convert to fraction form
    821,435,425.29/1,133,581,883.33 = 445,091,722.02/x
  3. Step 3: Cross multiply
    821,435,425.29x = 1,133,581,883.33 × 445,091,722.02
  4. Step 4: Simplify right side
    821,435,425.29x = 504,547,912,503,137,152
  5. Step 5: Solve for x
    x = 504,547,912,503,137,152/821,435,425.29
  6. Step 6: Final answer
    x = 614,227,116.30

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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.