Home / 847,401,505.52-1,271,106,317.90-257,196,872.12

Finding the Fourth Proportional to 847,401,505.52, 1,271,106,317.90 and 257,196,872.12

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Solution

The fourth proportional to 847,401,505.52, 1,271,106,317.90 and 257,196,872.12 is: 385,796,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,401,505.52 : 1,271,106,317.90 = 257,196,872.12 : x
  2. Step 2: Convert to fraction form
    847,401,505.52/1,271,106,317.90 = 257,196,872.12/x
  3. Step 3: Cross multiply
    847,401,505.52x = 1,271,106,317.90 × 257,196,872.12
  4. Step 4: Simplify right side
    847,401,505.52x = 326,924,569,095,850,368
  5. Step 5: Solve for x
    x = 326,924,569,095,850,368/847,401,505.52
  6. Step 6: Final answer
    x = 385,796,540.33

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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.