Home / 769,946,404.60-1,155,203,042.10-252,393,729.40

Finding the Fourth Proportional to 769,946,404.60, 1,155,203,042.10 and 252,393,729.40

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Solution

The fourth proportional to 769,946,404.60, 1,155,203,042.10 and 252,393,729.40 is: 378,683,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,946,404.60 : 1,155,203,042.10 = 252,393,729.40 : x
  2. Step 2: Convert to fraction form
    769,946,404.60/1,155,203,042.10 = 252,393,729.40/x
  3. Step 3: Cross multiply
    769,946,404.60x = 1,155,203,042.10 × 252,393,729.40
  4. Step 4: Simplify right side
    769,946,404.60x = 291,566,004,009,844,160
  5. Step 5: Solve for x
    x = 291,566,004,009,844,160/769,946,404.60
  6. Step 6: Final answer
    x = 378,683,506.11

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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.