Home / 733,247,230.74-1,011,900,355.82-398,739,317.28

Finding the Fourth Proportional to 733,247,230.74, 1,011,900,355.82 and 398,739,317.28

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Solution

The fourth proportional to 733,247,230.74, 1,011,900,355.82 and 398,739,317.28 is: 550,270,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,247,230.74 : 1,011,900,355.82 = 398,739,317.28 : x
  2. Step 2: Convert to fraction form
    733,247,230.74/1,011,900,355.82 = 398,739,317.28/x
  3. Step 3: Cross multiply
    733,247,230.74x = 1,011,900,355.82 × 398,739,317.28
  4. Step 4: Simplify right side
    733,247,230.74x = 403,484,457,035,055,872
  5. Step 5: Solve for x
    x = 403,484,457,035,055,872/733,247,230.74
  6. Step 6: Final answer
    x = 550,270,686.50

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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.