Home / 421,464,499.83-581,551,625.30-264,719,954.79

Finding the Fourth Proportional to 421,464,499.83, 581,551,625.30 and 264,719,954.79

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Solution

The fourth proportional to 421,464,499.83, 581,551,625.30 and 264,719,954.79 is: 365,269,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,464,499.83 : 581,551,625.30 = 264,719,954.79 : x
  2. Step 2: Convert to fraction form
    421,464,499.83/581,551,625.30 = 264,719,954.79/x
  3. Step 3: Cross multiply
    421,464,499.83x = 581,551,625.30 × 264,719,954.79
  4. Step 4: Simplify right side
    421,464,499.83x = 153,948,319,956,143,392
  5. Step 5: Solve for x
    x = 153,948,319,956,143,392/421,464,499.83
  6. Step 6: Final answer
    x = 365,269,957.54

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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.