Home / 2,585,716,172.08-3,879,118,981.50-838,782,504.16

Finding the Fourth Proportional to 2,585,716,172.08, 3,879,118,981.50 and 838,782,504.16

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Solution

The fourth proportional to 2,585,716,172.08, 3,879,118,981.50 and 838,782,504.16 is: 1,258,350,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,716,172.08 : 3,879,118,981.50 = 838,782,504.16 : x
  2. Step 2: Convert to fraction form
    2,585,716,172.08/3,879,118,981.50 = 838,782,504.16/x
  3. Step 3: Cross multiply
    2,585,716,172.08x = 3,879,118,981.50 × 838,782,504.16
  4. Step 4: Simplify right side
    2,585,716,172.08x = 3,253,737,133,237,158,400
  5. Step 5: Solve for x
    x = 3,253,737,133,237,158,400/2,585,716,172.08
  6. Step 6: Final answer
    x = 1,258,350,459.49

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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.