Home / 1,259,714,200.80-1,889,571,301.20-339,683,541.60

Finding the Fourth Proportional to 1,259,714,200.80, 1,889,571,301.20 and 339,683,541.60

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Solution

The fourth proportional to 1,259,714,200.80, 1,889,571,301.20 and 339,683,541.60 is: 509,525,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,200.80 : 1,889,571,301.20 = 339,683,541.60 : x
  2. Step 2: Convert to fraction form
    1,259,714,200.80/1,889,571,301.20 = 339,683,541.60/x
  3. Step 3: Cross multiply
    1,259,714,200.80x = 1,889,571,301.20 × 339,683,541.60
  4. Step 4: Simplify right side
    1,259,714,200.80x = 641,856,271,697,336,448
  5. Step 5: Solve for x
    x = 641,856,271,697,336,448/1,259,714,200.80
  6. Step 6: Final answer
    x = 509,525,312.40

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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.