Home / 873,301,989,732.85-1,309,979,671,367.60-299,610,055,396.86

Finding the Fourth Proportional to 873,301,989,732.85, 1,309,979,671,367.60 and 299,610,055,396.86

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Solution

The fourth proportional to 873,301,989,732.85, 1,309,979,671,367.60 and 299,610,055,396.86 is: 449,424,238,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,301,989,732.85 : 1,309,979,671,367.60 = 299,610,055,396.86 : x
  2. Step 2: Convert to fraction form
    873,301,989,732.85/1,309,979,671,367.60 = 299,610,055,396.86/x
  3. Step 3: Cross multiply
    873,301,989,732.85x = 1,309,979,671,367.60 × 299,610,055,396.86
  4. Step 4: Simplify right side
    873,301,989,732.85x = 392,483,081,907,207,126,646,784
  5. Step 5: Solve for x
    x = 392,483,081,907,207,126,646,784/873,301,989,732.85
  6. Step 6: Final answer
    x = 449,424,238,718.69

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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.