Home / 839,829,208.40-1,259,743,812.60-265,400,536.40

Finding the Fourth Proportional to 839,829,208.40, 1,259,743,812.60 and 265,400,536.40

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Solution

The fourth proportional to 839,829,208.40, 1,259,743,812.60 and 265,400,536.40 is: 398,100,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,829,208.40 : 1,259,743,812.60 = 265,400,536.40 : x
  2. Step 2: Convert to fraction form
    839,829,208.40/1,259,743,812.60 = 265,400,536.40/x
  3. Step 3: Cross multiply
    839,829,208.40x = 1,259,743,812.60 × 265,400,536.40
  4. Step 4: Simplify right side
    839,829,208.40x = 334,336,683,590,621,056
  5. Step 5: Solve for x
    x = 334,336,683,590,621,056/839,829,208.40
  6. Step 6: Final answer
    x = 398,100,804.60

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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.