Home / 499,608,121.20-749,412,181.80-446,038,868.40

Finding the Fourth Proportional to 499,608,121.20, 749,412,181.80 and 446,038,868.40

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Solution

The fourth proportional to 499,608,121.20, 749,412,181.80 and 446,038,868.40 is: 669,058,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,608,121.20 : 749,412,181.80 = 446,038,868.40 : x
  2. Step 2: Convert to fraction form
    499,608,121.20/749,412,181.80 = 446,038,868.40/x
  3. Step 3: Cross multiply
    499,608,121.20x = 749,412,181.80 × 446,038,868.40
  4. Step 4: Simplify right side
    499,608,121.20x = 334,266,961,535,247,040
  5. Step 5: Solve for x
    x = 334,266,961,535,247,040/499,608,121.20
  6. Step 6: Final answer
    x = 669,058,302.60

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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.