Home / 670,652,636.14-925,500,680.55-373,288,476.88

Finding the Fourth Proportional to 670,652,636.14, 925,500,680.55 and 373,288,476.88

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Solution

The fourth proportional to 670,652,636.14, 925,500,680.55 and 373,288,476.88 is: 515,138,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,652,636.14 : 925,500,680.55 = 373,288,476.88 : x
  2. Step 2: Convert to fraction form
    670,652,636.14/925,500,680.55 = 373,288,476.88/x
  3. Step 3: Cross multiply
    670,652,636.14x = 925,500,680.55 × 373,288,476.88
  4. Step 4: Simplify right side
    670,652,636.14x = 345,478,739,391,599,168
  5. Step 5: Solve for x
    x = 345,478,739,391,599,168/670,652,636.14
  6. Step 6: Final answer
    x = 515,138,121.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.