Home / 863,478,489.58-1,191,600,285.07-467,001,469.55

Finding the Fourth Proportional to 863,478,489.58, 1,191,600,285.07 and 467,001,469.55

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Solution

The fourth proportional to 863,478,489.58, 1,191,600,285.07 and 467,001,469.55 is: 644,462,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,478,489.58 : 1,191,600,285.07 = 467,001,469.55 : x
  2. Step 2: Convert to fraction form
    863,478,489.58/1,191,600,285.07 = 467,001,469.55/x
  3. Step 3: Cross multiply
    863,478,489.58x = 1,191,600,285.07 × 467,001,469.55
  4. Step 4: Simplify right side
    863,478,489.58x = 556,479,084,243,888,896
  5. Step 5: Solve for x
    x = 556,479,084,243,888,896/863,478,489.58
  6. Step 6: Final answer
    x = 644,462,011.46

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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.