Home / 1,411,014,496.34-2,116,384,980.92-428,449,672.52

Finding the Fourth Proportional to 1,411,014,496.34, 2,116,384,980.92 and 428,449,672.52

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Solution

The fourth proportional to 1,411,014,496.34, 2,116,384,980.92 and 428,449,672.52 is: 642,632,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,014,496.34 : 2,116,384,980.92 = 428,449,672.52 : x
  2. Step 2: Convert to fraction form
    1,411,014,496.34/2,116,384,980.92 = 428,449,672.52/x
  3. Step 3: Cross multiply
    1,411,014,496.34x = 2,116,384,980.92 × 428,449,672.52
  4. Step 4: Simplify right side
    1,411,014,496.34x = 906,764,452,001,420,416
  5. Step 5: Solve for x
    x = 906,764,452,001,420,416/1,411,014,496.34
  6. Step 6: Final answer
    x = 642,632,980.99

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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.