Home / 649,185,401.10-973,872,580.05-212,380,265.10

Finding the Fourth Proportional to 649,185,401.10, 973,872,580.05 and 212,380,265.10

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Solution

The fourth proportional to 649,185,401.10, 973,872,580.05 and 212,380,265.10 is: 318,601,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,185,401.10 : 973,872,580.05 = 212,380,265.10 : x
  2. Step 2: Convert to fraction form
    649,185,401.10/973,872,580.05 = 212,380,265.10/x
  3. Step 3: Cross multiply
    649,185,401.10x = 973,872,580.05 × 212,380,265.10
  4. Step 4: Simplify right side
    649,185,401.10x = 206,831,316,724,639,968
  5. Step 5: Solve for x
    x = 206,831,316,724,639,968/649,185,401.10
  6. Step 6: Final answer
    x = 318,601,306.15

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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.