Home / 866,479,579.52-1,195,734,742.40-470,001,576.64

Finding the Fourth Proportional to 866,479,579.52, 1,195,734,742.40 and 470,001,576.64

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Solution

The fourth proportional to 866,479,579.52, 1,195,734,742.40 and 470,001,576.64 is: 648,598,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,479,579.52 : 1,195,734,742.40 = 470,001,576.64 : x
  2. Step 2: Convert to fraction form
    866,479,579.52/1,195,734,742.40 = 470,001,576.64/x
  3. Step 3: Cross multiply
    866,479,579.52x = 1,195,734,742.40 × 470,001,576.64
  4. Step 4: Simplify right side
    866,479,579.52x = 561,997,214,171,224,256
  5. Step 5: Solve for x
    x = 561,997,214,171,224,256/866,479,579.52
  6. Step 6: Final answer
    x = 648,598,336.83

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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.