Home / 480,047,698.80-720,071,548.20-461,235,999.60

Finding the Fourth Proportional to 480,047,698.80, 720,071,548.20 and 461,235,999.60

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Solution

The fourth proportional to 480,047,698.80, 720,071,548.20 and 461,235,999.60 is: 691,853,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,047,698.80 : 720,071,548.20 = 461,235,999.60 : x
  2. Step 2: Convert to fraction form
    480,047,698.80/720,071,548.20 = 461,235,999.60/x
  3. Step 3: Cross multiply
    480,047,698.80x = 720,071,548.20 × 461,235,999.60
  4. Step 4: Simplify right side
    480,047,698.80x = 332,122,920,317,546,624
  5. Step 5: Solve for x
    x = 332,122,920,317,546,624/480,047,698.80
  6. Step 6: Final answer
    x = 691,853,999.40

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1.5x scale

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.