Home / 291,042,001.60-436,563,002.40-262,344,187.60

Finding the Fourth Proportional to 291,042,001.60, 436,563,002.40 and 262,344,187.60

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Solution

The fourth proportional to 291,042,001.60, 436,563,002.40 and 262,344,187.60 is: 393,516,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,042,001.60 : 436,563,002.40 = 262,344,187.60 : x
  2. Step 2: Convert to fraction form
    291,042,001.60/436,563,002.40 = 262,344,187.60/x
  3. Step 3: Cross multiply
    291,042,001.60x = 436,563,002.40 × 262,344,187.60
  4. Step 4: Simplify right side
    291,042,001.60x = 114,529,766,200,844,848
  5. Step 5: Solve for x
    x = 114,529,766,200,844,848/291,042,001.60
  6. Step 6: Final answer
    x = 393,516,281.40

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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.