Home / 1,299,096,324.80-1,792,776,192.72-704,400,869.60

Finding the Fourth Proportional to 1,299,096,324.80, 1,792,776,192.72 and 704,400,869.60

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Solution

The fourth proportional to 1,299,096,324.80, 1,792,776,192.72 and 704,400,869.60 is: 972,085,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,096,324.80 : 1,792,776,192.72 = 704,400,869.60 : x
  2. Step 2: Convert to fraction form
    1,299,096,324.80/1,792,776,192.72 = 704,400,869.60/x
  3. Step 3: Cross multiply
    1,299,096,324.80x = 1,792,776,192.72 × 704,400,869.60
  4. Step 4: Simplify right side
    1,299,096,324.80x = 1,262,833,109,150,145,280
  5. Step 5: Solve for x
    x = 1,262,833,109,150,145,280/1,299,096,324.80
  6. Step 6: Final answer
    x = 972,085,814.61

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1.5x scale

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.