Home / 873,301,989,735.83-1,309,979,671,372.10-299,610,055,399.86

Finding the Fourth Proportional to 873,301,989,735.83, 1,309,979,671,372.10 and 299,610,055,399.86

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Solution

The fourth proportional to 873,301,989,735.83, 1,309,979,671,372.10 and 299,610,055,399.86 is: 449,424,238,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,301,989,735.83 : 1,309,979,671,372.10 = 299,610,055,399.86 : x
  2. Step 2: Convert to fraction form
    873,301,989,735.83/1,309,979,671,372.10 = 299,610,055,399.86/x
  3. Step 3: Cross multiply
    873,301,989,735.83x = 1,309,979,671,372.10 × 299,610,055,399.86
  4. Step 4: Simplify right side
    873,301,989,735.83x = 392,483,081,912,485,305,909,248
  5. Step 5: Solve for x
    x = 392,483,081,912,485,305,909,248/873,301,989,735.83
  6. Step 6: Final answer
    x = 449,424,238,723.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.