Home / 769,297,436.84-1,153,955,019.84-278,048,014.76

Finding the Fourth Proportional to 769,297,436.84, 1,153,955,019.84 and 278,048,014.76

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Solution

The fourth proportional to 769,297,436.84, 1,153,955,019.84 and 278,048,014.76 is: 417,075,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,297,436.84 : 1,153,955,019.84 = 278,048,014.76 : x
  2. Step 2: Convert to fraction form
    769,297,436.84/1,153,955,019.84 = 278,048,014.76/x
  3. Step 3: Cross multiply
    769,297,436.84x = 1,153,955,019.84 × 278,048,014.76
  4. Step 4: Simplify right side
    769,297,436.84x = 320,854,902,388,848,384
  5. Step 5: Solve for x
    x = 320,854,902,388,848,384/769,297,436.84
  6. Step 6: Final answer
    x = 417,075,226.07

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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.