Home / 393,056,711,999.40-589,585,067,999.10-194,697,421,631.40

Finding the Fourth Proportional to 393,056,711,999.40, 589,585,067,999.10 and 194,697,421,631.40

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Solution

The fourth proportional to 393,056,711,999.40, 589,585,067,999.10 and 194,697,421,631.40 is: 292,046,132,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,056,711,999.40 : 589,585,067,999.10 = 194,697,421,631.40 : x
  2. Step 2: Convert to fraction form
    393,056,711,999.40/589,585,067,999.10 = 194,697,421,631.40/x
  3. Step 3: Cross multiply
    393,056,711,999.40x = 589,585,067,999.10 × 194,697,421,631.40
  4. Step 4: Simplify right side
    393,056,711,999.40x = 114,790,692,571,798,401,187,840
  5. Step 5: Solve for x
    x = 114,790,692,571,798,401,187,840/393,056,711,999.40
  6. Step 6: Final answer
    x = 292,046,132,447.10

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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.