Home / 1,212,832,438.06-1,673,725,026.70-684,194,789.33

Finding the Fourth Proportional to 1,212,832,438.06, 1,673,725,026.70 and 684,194,789.33

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Solution

The fourth proportional to 1,212,832,438.06, 1,673,725,026.70 and 684,194,789.33 is: 944,197,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,832,438.06 : 1,673,725,026.70 = 684,194,789.33 : x
  2. Step 2: Convert to fraction form
    1,212,832,438.06/1,673,725,026.70 = 684,194,789.33/x
  3. Step 3: Cross multiply
    1,212,832,438.06x = 1,673,725,026.70 × 684,194,789.33
  4. Step 4: Simplify right side
    1,212,832,438.06x = 1,145,153,942,044,428,800
  5. Step 5: Solve for x
    x = 1,145,153,942,044,428,800/1,212,832,438.06
  6. Step 6: Final answer
    x = 944,197,983.26

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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.