Home / 478,605,741.31-660,474,595.62-266,912,771.41

Finding the Fourth Proportional to 478,605,741.31, 660,474,595.62 and 266,912,771.41

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Solution

The fourth proportional to 478,605,741.31, 660,474,595.62 and 266,912,771.41 is: 368,338,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,605,741.31 : 660,474,595.62 = 266,912,771.41 : x
  2. Step 2: Convert to fraction form
    478,605,741.31/660,474,595.62 = 266,912,771.41/x
  3. Step 3: Cross multiply
    478,605,741.31x = 660,474,595.62 × 266,912,771.41
  4. Step 4: Simplify right side
    478,605,741.31x = 176,289,104,763,455,712
  5. Step 5: Solve for x
    x = 176,289,104,763,455,712/478,605,741.31
  6. Step 6: Final answer
    x = 368,338,884.28

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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.