Home / 1,049,271,597.15-1,574,452,108.94-427,942,666.41

Finding the Fourth Proportional to 1,049,271,597.15, 1,574,452,108.94 and 427,942,666.41

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Solution

The fourth proportional to 1,049,271,597.15, 1,574,452,108.94 and 427,942,666.41 is: 642,136,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,271,597.15 : 1,574,452,108.94 = 427,942,666.41 : x
  2. Step 2: Convert to fraction form
    1,049,271,597.15/1,574,452,108.94 = 427,942,666.41/x
  3. Step 3: Cross multiply
    1,049,271,597.15x = 1,574,452,108.94 × 427,942,666.41
  4. Step 4: Simplify right side
    1,049,271,597.15x = 673,775,233,632,491,648
  5. Step 5: Solve for x
    x = 673,775,233,632,491,648/1,049,271,597.15
  6. Step 6: Final answer
    x = 642,136,159.47

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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.