Home / 671,131,843.06-926,190,648.70-373,774,037.55

Finding the Fourth Proportional to 671,131,843.06, 926,190,648.70 and 373,774,037.55

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Solution

The fourth proportional to 671,131,843.06, 926,190,648.70 and 373,774,037.55 is: 515,824,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,131,843.06 : 926,190,648.70 = 373,774,037.55 : x
  2. Step 2: Convert to fraction form
    671,131,843.06/926,190,648.70 = 373,774,037.55/x
  3. Step 3: Cross multiply
    671,131,843.06x = 926,190,648.70 × 373,774,037.55
  4. Step 4: Simplify right side
    671,131,843.06x = 346,186,018,305,652,672
  5. Step 5: Solve for x
    x = 346,186,018,305,652,672/671,131,843.06
  6. Step 6: Final answer
    x = 515,824,158.67

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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.