Home / 468,313,190.10-646,271,697.47-256,625,182.44

Finding the Fourth Proportional to 468,313,190.10, 646,271,697.47 and 256,625,182.44

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Solution

The fourth proportional to 468,313,190.10, 646,271,697.47 and 256,625,182.44 is: 354,142,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,313,190.10 : 646,271,697.47 = 256,625,182.44 : x
  2. Step 2: Convert to fraction form
    468,313,190.10/646,271,697.47 = 256,625,182.44/x
  3. Step 3: Cross multiply
    468,313,190.10x = 646,271,697.47 × 256,625,182.44
  4. Step 4: Simplify right side
    468,313,190.10x = 165,849,592,267,764,128
  5. Step 5: Solve for x
    x = 165,849,592,267,764,128/468,313,190.10
  6. Step 6: Final answer
    x = 354,142,475.11

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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.