Home / 314,891,657.40-472,337,486.10-200,383,836.60

Finding the Fourth Proportional to 314,891,657.40, 472,337,486.10 and 200,383,836.60

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Solution

The fourth proportional to 314,891,657.40, 472,337,486.10 and 200,383,836.60 is: 300,575,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,891,657.40 : 472,337,486.10 = 200,383,836.60 : x
  2. Step 2: Convert to fraction form
    314,891,657.40/472,337,486.10 = 200,383,836.60/x
  3. Step 3: Cross multiply
    314,891,657.40x = 472,337,486.10 × 200,383,836.60
  4. Step 4: Simplify right side
    314,891,657.40x = 94,648,797,634,717,168
  5. Step 5: Solve for x
    x = 94,648,797,634,717,168/314,891,657.40
  6. Step 6: Final answer
    x = 300,575,754.90

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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.