Home / 673,721,495.28-929,683,773.72-380,395,015.92

Finding the Fourth Proportional to 673,721,495.28, 929,683,773.72 and 380,395,015.92

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Solution

The fourth proportional to 673,721,495.28, 929,683,773.72 and 380,395,015.92 is: 524,915,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,721,495.28 : 929,683,773.72 = 380,395,015.92 : x
  2. Step 2: Convert to fraction form
    673,721,495.28/929,683,773.72 = 380,395,015.92/x
  3. Step 3: Cross multiply
    673,721,495.28x = 929,683,773.72 × 380,395,015.92
  4. Step 4: Simplify right side
    673,721,495.28x = 353,647,073,904,785,088
  5. Step 5: Solve for x
    x = 353,647,073,904,785,088/673,721,495.28
  6. Step 6: Final answer
    x = 524,915,824.09

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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.