Home / 766,646,636.22-1,149,509,372.00-299,751,813.81

Finding the Fourth Proportional to 766,646,636.22, 1,149,509,372.00 and 299,751,813.81

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Solution

The fourth proportional to 766,646,636.22, 1,149,509,372.00 and 299,751,813.81 is: 449,447,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,646,636.22 : 1,149,509,372.00 = 299,751,813.81 : x
  2. Step 2: Convert to fraction form
    766,646,636.22/1,149,509,372.00 = 299,751,813.81/x
  3. Step 3: Cross multiply
    766,646,636.22x = 1,149,509,372.00 × 299,751,813.81
  4. Step 4: Simplify right side
    766,646,636.22x = 344,567,519,247,095,232
  5. Step 5: Solve for x
    x = 344,567,519,247,095,232/766,646,636.22
  6. Step 6: Final answer
    x = 449,447,637.24

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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.