Home / 1,106,354,572.40-1,659,615,839.40-329,939,634.80

Finding the Fourth Proportional to 1,106,354,572.40, 1,659,615,839.40 and 329,939,634.80

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Solution

The fourth proportional to 1,106,354,572.40, 1,659,615,839.40 and 329,939,634.80 is: 494,934,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,354,572.40 : 1,659,615,839.40 = 329,939,634.80 : x
  2. Step 2: Convert to fraction form
    1,106,354,572.40/1,659,615,839.40 = 329,939,634.80/x
  3. Step 3: Cross multiply
    1,106,354,572.40x = 1,659,615,839.40 × 329,939,634.80
  4. Step 4: Simplify right side
    1,106,354,572.40x = 547,573,043,959,931,520
  5. Step 5: Solve for x
    x = 547,573,043,959,931,520/1,106,354,572.40
  6. Step 6: Final answer
    x = 494,934,497.15

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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.