Home / 671,131,843.56-926,190,649.40-373,774,038.05

Finding the Fourth Proportional to 671,131,843.56, 926,190,649.40 and 373,774,038.05

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Solution

The fourth proportional to 671,131,843.56, 926,190,649.40 and 373,774,038.05 is: 515,824,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,131,843.56 : 926,190,649.40 = 373,774,038.05 : x
  2. Step 2: Convert to fraction form
    671,131,843.56/926,190,649.40 = 373,774,038.05/x
  3. Step 3: Cross multiply
    671,131,843.56x = 926,190,649.40 × 373,774,038.05
  4. Step 4: Simplify right side
    671,131,843.56x = 346,186,019,023,889,984
  5. Step 5: Solve for x
    x = 346,186,019,023,889,984/671,131,843.56
  6. Step 6: Final answer
    x = 515,824,159.36

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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.