Home / 1,513,577,438.33-2,271,524,968.80-685,112,880.15

Finding the Fourth Proportional to 1,513,577,438.33, 2,271,524,968.80 and 685,112,880.15

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Solution

The fourth proportional to 1,513,577,438.33, 2,271,524,968.80 and 685,112,880.15 is: 1,028,193,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,577,438.33 : 2,271,524,968.80 = 685,112,880.15 : x
  2. Step 2: Convert to fraction form
    1,513,577,438.33/2,271,524,968.80 = 685,112,880.15/x
  3. Step 3: Cross multiply
    1,513,577,438.33x = 2,271,524,968.80 × 685,112,880.15
  4. Step 4: Simplify right side
    1,513,577,438.33x = 1,556,251,013,707,206,912
  5. Step 5: Solve for x
    x = 1,556,251,013,707,206,912/1,513,577,438.33
  6. Step 6: Final answer
    x = 1,028,193,850.08

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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.