Home / 769,716,982.80-1,154,575,474.20-252,164,307.60

Finding the Fourth Proportional to 769,716,982.80, 1,154,575,474.20 and 252,164,307.60

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Solution

The fourth proportional to 769,716,982.80, 1,154,575,474.20 and 252,164,307.60 is: 378,246,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,716,982.80 : 1,154,575,474.20 = 252,164,307.60 : x
  2. Step 2: Convert to fraction form
    769,716,982.80/1,154,575,474.20 = 252,164,307.60/x
  3. Step 3: Cross multiply
    769,716,982.80x = 1,154,575,474.20 × 252,164,307.60
  4. Step 4: Simplify right side
    769,716,982.80x = 291,142,725,023,584,640
  5. Step 5: Solve for x
    x = 291,142,725,023,584,640/769,716,982.80
  6. Step 6: Final answer
    x = 378,246,461.40

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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.