Home / 342,143,998.40-513,116,464.80-188,863,486.40

Finding the Fourth Proportional to 342,143,998.40, 513,116,464.80 and 188,863,486.40

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Solution

The fourth proportional to 342,143,998.40, 513,116,464.80 and 188,863,486.40 is: 283,240,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,143,998.40 : 513,116,464.80 = 188,863,486.40 : x
  2. Step 2: Convert to fraction form
    342,143,998.40/513,116,464.80 = 188,863,486.40/x
  3. Step 3: Cross multiply
    342,143,998.40x = 513,116,464.80 × 188,863,486.40
  4. Step 4: Simplify right side
    342,143,998.40x = 96,908,964,471,370,880
  5. Step 5: Solve for x
    x = 96,908,964,471,370,880/342,143,998.40
  6. Step 6: Final answer
    x = 283,240,287.49

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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.