Home / 649,353,938.20-974,030,907.30-603,437,435.80

Finding the Fourth Proportional to 649,353,938.20, 974,030,907.30 and 603,437,435.80

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Solution

The fourth proportional to 649,353,938.20, 974,030,907.30 and 603,437,435.80 is: 905,156,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,353,938.20 : 974,030,907.30 = 603,437,435.80 : x
  2. Step 2: Convert to fraction form
    649,353,938.20/974,030,907.30 = 603,437,435.80/x
  3. Step 3: Cross multiply
    649,353,938.20x = 974,030,907.30 × 603,437,435.80
  4. Step 4: Simplify right side
    649,353,938.20x = 587,766,713,091,059,456
  5. Step 5: Solve for x
    x = 587,766,713,091,059,456/649,353,938.20
  6. Step 6: Final answer
    x = 905,156,153.70

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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.