Home / 855,391,657.64-1,180,973,629.15-587,928,031.16

Finding the Fourth Proportional to 855,391,657.64, 1,180,973,629.15 and 587,928,031.16

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Solution

The fourth proportional to 855,391,657.64, 1,180,973,629.15 and 587,928,031.16 is: 811,707,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,391,657.64 : 1,180,973,629.15 = 587,928,031.16 : x
  2. Step 2: Convert to fraction form
    855,391,657.64/1,180,973,629.15 = 587,928,031.16/x
  3. Step 3: Cross multiply
    855,391,657.64x = 1,180,973,629.15 × 587,928,031.16
  4. Step 4: Simplify right side
    855,391,657.64x = 694,327,500,630,664,832
  5. Step 5: Solve for x
    x = 694,327,500,630,664,832/855,391,657.64
  6. Step 6: Final answer
    x = 811,707,122.03

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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.