Home / 956,669,371.58-1,320,203,749.38-516,636,223.58

Finding the Fourth Proportional to 956,669,371.58, 1,320,203,749.38 and 516,636,223.58

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Solution

The fourth proportional to 956,669,371.58, 1,320,203,749.38 and 516,636,223.58 is: 712,957,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,669,371.58 : 1,320,203,749.38 = 516,636,223.58 : x
  2. Step 2: Convert to fraction form
    956,669,371.58/1,320,203,749.38 = 516,636,223.58/x
  3. Step 3: Cross multiply
    956,669,371.58x = 1,320,203,749.38 × 516,636,223.58
  4. Step 4: Simplify right side
    956,669,371.58x = 682,065,079,435,840,000
  5. Step 5: Solve for x
    x = 682,065,079,435,840,000/956,669,371.58
  6. Step 6: Final answer
    x = 712,957,997.50

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Double scale
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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.