Home / 733,247,662.37-1,011,900,951.29-398,739,748.43

Finding the Fourth Proportional to 733,247,662.37, 1,011,900,951.29 and 398,739,748.43

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Solution

The fourth proportional to 733,247,662.37, 1,011,900,951.29 and 398,739,748.43 is: 550,271,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,247,662.37 : 1,011,900,951.29 = 398,739,748.43 : x
  2. Step 2: Convert to fraction form
    733,247,662.37/1,011,900,951.29 = 398,739,748.43/x
  3. Step 3: Cross multiply
    733,247,662.37x = 1,011,900,951.29 × 398,739,748.43
  4. Step 4: Simplify right side
    733,247,662.37x = 403,485,130,746,399,104
  5. Step 5: Solve for x
    x = 403,485,130,746,399,104/733,247,662.37
  6. Step 6: Final answer
    x = 550,271,281.39

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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.