Home / 1,109,157,631.08-1,530,685,360.38-614,120,383.32

Finding the Fourth Proportional to 1,109,157,631.08, 1,530,685,360.38 and 614,120,383.32

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Solution

The fourth proportional to 1,109,157,631.08, 1,530,685,360.38 and 614,120,383.32 is: 847,512,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,157,631.08 : 1,530,685,360.38 = 614,120,383.32 : x
  2. Step 2: Convert to fraction form
    1,109,157,631.08/1,530,685,360.38 = 614,120,383.32/x
  3. Step 3: Cross multiply
    1,109,157,631.08x = 1,530,685,360.38 × 614,120,383.32
  4. Step 4: Simplify right side
    1,109,157,631.08x = 940,025,080,258,878,080
  5. Step 5: Solve for x
    x = 940,025,080,258,878,080/1,109,157,631.08
  6. Step 6: Final answer
    x = 847,512,611.30

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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.