Home / 937,728,000.80-1,406,592,001.20-479,080,858.40

Finding the Fourth Proportional to 937,728,000.80, 1,406,592,001.20 and 479,080,858.40

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Solution

The fourth proportional to 937,728,000.80, 1,406,592,001.20 and 479,080,858.40 is: 718,621,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,728,000.80 : 1,406,592,001.20 = 479,080,858.40 : x
  2. Step 2: Convert to fraction form
    937,728,000.80/1,406,592,001.20 = 479,080,858.40/x
  3. Step 3: Cross multiply
    937,728,000.80x = 1,406,592,001.20 × 479,080,858.40
  4. Step 4: Simplify right side
    937,728,000.80x = 673,871,303,353,469,824
  5. Step 5: Solve for x
    x = 673,871,303,353,469,824/937,728,000.80
  6. Step 6: Final answer
    x = 718,621,287.60

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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.