Home / 1,294,070,031.60-1,941,105,047.40-743,072,002.80

Finding the Fourth Proportional to 1,294,070,031.60, 1,941,105,047.40 and 743,072,002.80

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Solution

The fourth proportional to 1,294,070,031.60, 1,941,105,047.40 and 743,072,002.80 is: 1,114,608,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,070,031.60 : 1,941,105,047.40 = 743,072,002.80 : x
  2. Step 2: Convert to fraction form
    1,294,070,031.60/1,941,105,047.40 = 743,072,002.80/x
  3. Step 3: Cross multiply
    1,294,070,031.60x = 1,941,105,047.40 × 743,072,002.80
  4. Step 4: Simplify right side
    1,294,070,031.60x = 1,442,380,815,216,706,816
  5. Step 5: Solve for x
    x = 1,442,380,815,216,706,816/1,294,070,031.60
  6. Step 6: Final answer
    x = 1,114,608,004.20

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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.