Home / 1,259,714,212.80-1,889,571,319.20-741,878,102.40

Finding the Fourth Proportional to 1,259,714,212.80, 1,889,571,319.20 and 741,878,102.40

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Solution

The fourth proportional to 1,259,714,212.80, 1,889,571,319.20 and 741,878,102.40 is: 1,112,817,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,212.80 : 1,889,571,319.20 = 741,878,102.40 : x
  2. Step 2: Convert to fraction form
    1,259,714,212.80/1,889,571,319.20 = 741,878,102.40/x
  3. Step 3: Cross multiply
    1,259,714,212.80x = 1,889,571,319.20 × 741,878,102.40
  4. Step 4: Simplify right side
    1,259,714,212.80x = 1,401,831,584,637,560,576
  5. Step 5: Solve for x
    x = 1,401,831,584,637,560,576/1,259,714,212.80
  6. Step 6: Final answer
    x = 1,112,817,153.60

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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.