Home / 774,309,209.93-1,161,677,288.42-308,297,890.87

Finding the Fourth Proportional to 774,309,209.93, 1,161,677,288.42 and 308,297,890.87

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Solution

The fourth proportional to 774,309,209.93, 1,161,677,288.42 and 308,297,890.87 is: 462,531,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,309,209.93 : 1,161,677,288.42 = 308,297,890.87 : x
  2. Step 2: Convert to fraction form
    774,309,209.93/1,161,677,288.42 = 308,297,890.87/x
  3. Step 3: Cross multiply
    774,309,209.93x = 1,161,677,288.42 × 308,297,890.87
  4. Step 4: Simplify right side
    774,309,209.93x = 358,142,657,888,161,728
  5. Step 5: Solve for x
    x = 358,142,657,888,161,728/774,309,209.93
  6. Step 6: Final answer
    x = 462,531,832.63

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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.