Home / 843,901,009.20-1,265,851,513.80-568,401,994.80

Finding the Fourth Proportional to 843,901,009.20, 1,265,851,513.80 and 568,401,994.80

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Solution

The fourth proportional to 843,901,009.20, 1,265,851,513.80 and 568,401,994.80 is: 852,602,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,901,009.20 : 1,265,851,513.80 = 568,401,994.80 : x
  2. Step 2: Convert to fraction form
    843,901,009.20/1,265,851,513.80 = 568,401,994.80/x
  3. Step 3: Cross multiply
    843,901,009.20x = 1,265,851,513.80 × 568,401,994.80
  4. Step 4: Simplify right side
    843,901,009.20x = 719,512,525,564,519,680
  5. Step 5: Solve for x
    x = 719,512,525,564,519,680/843,901,009.20
  6. Step 6: Final answer
    x = 852,602,992.20

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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.