Home / 847,401,504.52-1,271,106,316.40-257,196,871.12

Finding the Fourth Proportional to 847,401,504.52, 1,271,106,316.40 and 257,196,871.12

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Solution

The fourth proportional to 847,401,504.52, 1,271,106,316.40 and 257,196,871.12 is: 385,796,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,401,504.52 : 1,271,106,316.40 = 257,196,871.12 : x
  2. Step 2: Convert to fraction form
    847,401,504.52/1,271,106,316.40 = 257,196,871.12/x
  3. Step 3: Cross multiply
    847,401,504.52x = 1,271,106,316.40 × 257,196,871.12
  4. Step 4: Simplify right side
    847,401,504.52x = 326,924,567,438,948,800
  5. Step 5: Solve for x
    x = 326,924,567,438,948,800/847,401,504.52
  6. Step 6: Final answer
    x = 385,796,538.83

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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.