Home / 526,810,100.16-790,153,584.72-211,663,353.88

Finding the Fourth Proportional to 526,810,100.16, 790,153,584.72 and 211,663,353.88

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Solution

The fourth proportional to 526,810,100.16, 790,153,584.72 and 211,663,353.88 is: 317,470,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,810,100.16 : 790,153,584.72 = 211,663,353.88 : x
  2. Step 2: Convert to fraction form
    526,810,100.16/790,153,584.72 = 211,663,353.88/x
  3. Step 3: Cross multiply
    526,810,100.16x = 790,153,584.72 × 211,663,353.88
  4. Step 4: Simplify right side
    526,810,100.16x = 167,246,557,822,139,936
  5. Step 5: Solve for x
    x = 167,246,557,822,139,936/526,810,100.16
  6. Step 6: Final answer
    x = 317,470,294.84

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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.