Home / 2,585,716,133.56-3,879,118,923.46-838,782,465.64

Finding the Fourth Proportional to 2,585,716,133.56, 3,879,118,923.46 and 838,782,465.64

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Solution

The fourth proportional to 2,585,716,133.56, 3,879,118,923.46 and 838,782,465.64 is: 1,258,350,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,716,133.56 : 3,879,118,923.46 = 838,782,465.64 : x
  2. Step 2: Convert to fraction form
    2,585,716,133.56/3,879,118,923.46 = 838,782,465.64/x
  3. Step 3: Cross multiply
    2,585,716,133.56x = 3,879,118,923.46 × 838,782,465.64
  4. Step 4: Simplify right side
    2,585,716,133.56x = 3,253,736,935,130,561,024
  5. Step 5: Solve for x
    x = 3,253,736,935,130,561,024/2,585,716,133.56
  6. Step 6: Final answer
    x = 1,258,350,401.62

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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.