Home / 291,235,346.60-436,853,019.90-262,010,028.20

Finding the Fourth Proportional to 291,235,346.60, 436,853,019.90 and 262,010,028.20

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Solution

The fourth proportional to 291,235,346.60, 436,853,019.90 and 262,010,028.20 is: 393,015,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,235,346.60 : 436,853,019.90 = 262,010,028.20 : x
  2. Step 2: Convert to fraction form
    291,235,346.60/436,853,019.90 = 262,010,028.20/x
  3. Step 3: Cross multiply
    291,235,346.60x = 436,853,019.90 × 262,010,028.20
  4. Step 4: Simplify right side
    291,235,346.60x = 114,459,872,063,254,144
  5. Step 5: Solve for x
    x = 114,459,872,063,254,144/291,235,346.60
  6. Step 6: Final answer
    x = 393,015,042.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.