Home / 873,302,335,160.68-1,309,980,189,180.90-299,610,400,669.48

Finding the Fourth Proportional to 873,302,335,160.68, 1,309,980,189,180.90 and 299,610,400,669.48

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Solution

The fourth proportional to 873,302,335,160.68, 1,309,980,189,180.90 and 299,610,400,669.48 is: 449,424,756,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,302,335,160.68 : 1,309,980,189,180.90 = 299,610,400,669.48 : x
  2. Step 2: Convert to fraction form
    873,302,335,160.68/1,309,980,189,180.90 = 299,610,400,669.48/x
  3. Step 3: Cross multiply
    873,302,335,160.68x = 1,309,980,189,180.90 × 299,610,400,669.48
  4. Step 4: Simplify right side
    873,302,335,160.68x = 392,483,689,349,570,594,078,720
  5. Step 5: Solve for x
    x = 392,483,689,349,570,594,078,720/873,302,335,160.68
  6. Step 6: Final answer
    x = 449,424,756,521.87

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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.