Home / 673,995,996.20-1,010,993,994.30-265,065,487.40

Finding the Fourth Proportional to 673,995,996.20, 1,010,993,994.30 and 265,065,487.40

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Solution

The fourth proportional to 673,995,996.20, 1,010,993,994.30 and 265,065,487.40 is: 397,598,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,995,996.20 : 1,010,993,994.30 = 265,065,487.40 : x
  2. Step 2: Convert to fraction form
    673,995,996.20/1,010,993,994.30 = 265,065,487.40/x
  3. Step 3: Cross multiply
    673,995,996.20x = 1,010,993,994.30 × 265,065,487.40
  4. Step 4: Simplify right side
    673,995,996.20x = 267,979,615,857,602,304
  5. Step 5: Solve for x
    x = 267,979,615,857,602,304/673,995,996.20
  6. Step 6: Final answer
    x = 397,598,231.10

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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.