Home / 883,445,579.09-1,219,154,601.77-486,975,189.60

Finding the Fourth Proportional to 883,445,579.09, 1,219,154,601.77 and 486,975,189.60

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Solution

The fourth proportional to 883,445,579.09, 1,219,154,601.77 and 486,975,189.60 is: 672,025,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,445,579.09 : 1,219,154,601.77 = 486,975,189.60 : x
  2. Step 2: Convert to fraction form
    883,445,579.09/1,219,154,601.77 = 486,975,189.60/x
  3. Step 3: Cross multiply
    883,445,579.09x = 1,219,154,601.77 × 486,975,189.60
  4. Step 4: Simplify right side
    883,445,579.09x = 593,698,043,348,073,856
  5. Step 5: Solve for x
    x = 593,698,043,348,073,856/883,445,579.09
  6. Step 6: Final answer
    x = 672,025,597.73

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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.