Home / 1,316,799,086.50-1,975,099,299.77-419,369,596.07

Finding the Fourth Proportional to 1,316,799,086.50, 1,975,099,299.77 and 419,369,596.07

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Solution

The fourth proportional to 1,316,799,086.50, 1,975,099,299.77 and 419,369,596.07 is: 629,022,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,799,086.50 : 1,975,099,299.77 = 419,369,596.07 : x
  2. Step 2: Convert to fraction form
    1,316,799,086.50/1,975,099,299.77 = 419,369,596.07/x
  3. Step 3: Cross multiply
    1,316,799,086.50x = 1,975,099,299.77 × 419,369,596.07
  4. Step 4: Simplify right side
    1,316,799,086.50x = 828,296,595,544,977,536
  5. Step 5: Solve for x
    x = 828,296,595,544,977,536/1,316,799,086.50
  6. Step 6: Final answer
    x = 629,022,759.84

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Double scale
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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.