Home / 526,179,800.64-788,910,968.14-266,895,048.72

Finding the Fourth Proportional to 526,179,800.64, 788,910,968.14 and 266,895,048.72

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Solution

The fourth proportional to 526,179,800.64, 788,910,968.14 and 266,895,048.72 is: 400,160,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,179,800.64 : 788,910,968.14 = 266,895,048.72 : x
  2. Step 2: Convert to fraction form
    526,179,800.64/788,910,968.14 = 266,895,048.72/x
  3. Step 3: Cross multiply
    526,179,800.64x = 788,910,968.14 × 266,895,048.72
  4. Step 4: Simplify right side
    526,179,800.64x = 210,556,431,277,467,648
  5. Step 5: Solve for x
    x = 210,556,431,277,467,648/526,179,800.64
  6. Step 6: Final answer
    x = 400,160,612.44

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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.