Home / 631,425,271,247.20-947,193,586,578.30-178,148,141,878.77

Finding the Fourth Proportional to 631,425,271,247.20, 947,193,586,578.30 and 178,148,141,878.77

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Solution

The fourth proportional to 631,425,271,247.20, 947,193,586,578.30 and 178,148,141,878.77 is: 267,237,922,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,425,271,247.20 : 947,193,586,578.30 = 178,148,141,878.77 : x
  2. Step 2: Convert to fraction form
    631,425,271,247.20/947,193,586,578.30 = 178,148,141,878.77/x
  3. Step 3: Cross multiply
    631,425,271,247.20x = 947,193,586,578.30 × 178,148,141,878.77
  4. Step 4: Simplify right side
    631,425,271,247.20x = 168,740,777,448,411,991,375,872
  5. Step 5: Solve for x
    x = 168,740,777,448,411,991,375,872/631,425,271,247.20
  6. Step 6: Final answer
    x = 267,237,922,098.23

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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.