Home / 357,405,508.53-493,165,908.48-200,742,606.63

Finding the Fourth Proportional to 357,405,508.53, 493,165,908.48 and 200,742,606.63

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Solution

The fourth proportional to 357,405,508.53, 493,165,908.48 and 200,742,606.63 is: 276,994,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,405,508.53 : 493,165,908.48 = 200,742,606.63 : x
  2. Step 2: Convert to fraction form
    357,405,508.53/493,165,908.48 = 200,742,606.63/x
  3. Step 3: Cross multiply
    357,405,508.53x = 493,165,908.48 × 200,742,606.63
  4. Step 4: Simplify right side
    357,405,508.53x = 98,999,409,969,327,216
  5. Step 5: Solve for x
    x = 98,999,409,969,327,216/357,405,508.53
  6. Step 6: Final answer
    x = 276,994,639.44

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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.