Home / 693,704,671.29-1,040,141,450.05-220,799,430.34

Finding the Fourth Proportional to 693,704,671.29, 1,040,141,450.05 and 220,799,430.34

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Solution

The fourth proportional to 693,704,671.29, 1,040,141,450.05 and 220,799,430.34 is: 331,066,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,704,671.29 : 1,040,141,450.05 = 220,799,430.34 : x
  2. Step 2: Convert to fraction form
    693,704,671.29/1,040,141,450.05 = 220,799,430.34/x
  3. Step 3: Cross multiply
    693,704,671.29x = 1,040,141,450.05 × 220,799,430.34
  4. Step 4: Simplify right side
    693,704,671.29x = 229,662,639,646,240,768
  5. Step 5: Solve for x
    x = 229,662,639,646,240,768/693,704,671.29
  6. Step 6: Final answer
    x = 331,066,877.81

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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.