Home / 1,409,812,166.48-2,114,483,695.64-427,005,039.12

Finding the Fourth Proportional to 1,409,812,166.48, 2,114,483,695.64 and 427,005,039.12

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Solution

The fourth proportional to 1,409,812,166.48, 2,114,483,695.64 and 427,005,039.12 is: 640,436,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,812,166.48 : 2,114,483,695.64 = 427,005,039.12 : x
  2. Step 2: Convert to fraction form
    1,409,812,166.48/2,114,483,695.64 = 427,005,039.12/x
  3. Step 3: Cross multiply
    1,409,812,166.48x = 2,114,483,695.64 × 427,005,039.12
  4. Step 4: Simplify right side
    1,409,812,166.48x = 902,895,193,175,360,384
  5. Step 5: Solve for x
    x = 902,895,193,175,360,384/1,409,812,166.48
  6. Step 6: Final answer
    x = 640,436,516.75

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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.