Home / 839,873,233.20-1,259,809,849.80-533,385,303.60

Finding the Fourth Proportional to 839,873,233.20, 1,259,809,849.80 and 533,385,303.60

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Solution

The fourth proportional to 839,873,233.20, 1,259,809,849.80 and 533,385,303.60 is: 800,077,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,873,233.20 : 1,259,809,849.80 = 533,385,303.60 : x
  2. Step 2: Convert to fraction form
    839,873,233.20/1,259,809,849.80 = 533,385,303.60/x
  3. Step 3: Cross multiply
    839,873,233.20x = 1,259,809,849.80 × 533,385,303.60
  4. Step 4: Simplify right side
    839,873,233.20x = 671,964,059,213,843,456
  5. Step 5: Solve for x
    x = 671,964,059,213,843,456/839,873,233.20
  6. Step 6: Final answer
    x = 800,077,955.40

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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.