Home / 1,206,290,541.05-1,808,399,514.94-419,241,948.15

Finding the Fourth Proportional to 1,206,290,541.05, 1,808,399,514.94 and 419,241,948.15

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Solution

The fourth proportional to 1,206,290,541.05, 1,808,399,514.94 and 419,241,948.15 is: 628,502,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,290,541.05 : 1,808,399,514.94 = 419,241,948.15 : x
  2. Step 2: Convert to fraction form
    1,206,290,541.05/1,808,399,514.94 = 419,241,948.15/x
  3. Step 3: Cross multiply
    1,206,290,541.05x = 1,808,399,514.94 × 419,241,948.15
  4. Step 4: Simplify right side
    1,206,290,541.05x = 758,156,935,682,712,192
  5. Step 5: Solve for x
    x = 758,156,935,682,712,192/1,206,290,541.05
  6. Step 6: Final answer
    x = 628,502,761.05

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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.