Home / 883,445,913.37-1,219,209,906.86-486,968,010.04

Finding the Fourth Proportional to 883,445,913.37, 1,219,209,906.86 and 486,968,010.04

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Solution

The fourth proportional to 883,445,913.37, 1,219,209,906.86 and 486,968,010.04 is: 672,045,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,445,913.37 : 1,219,209,906.86 = 486,968,010.04 : x
  2. Step 2: Convert to fraction form
    883,445,913.37/1,219,209,906.86 = 486,968,010.04/x
  3. Step 3: Cross multiply
    883,445,913.37x = 1,219,209,906.86 × 486,968,010.04
  4. Step 4: Simplify right side
    883,445,913.37x = 593,716,222,164,667,904
  5. Step 5: Solve for x
    x = 593,716,222,164,667,904/883,445,913.37
  6. Step 6: Final answer
    x = 672,045,920.62

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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.