Home / 1,333,218,682.96-1,999,923,683.82-459,807,207.64

Finding the Fourth Proportional to 1,333,218,682.96, 1,999,923,683.82 and 459,807,207.64

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Solution

The fourth proportional to 1,333,218,682.96, 1,999,923,683.82 and 459,807,207.64 is: 689,743,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,218,682.96 : 1,999,923,683.82 = 459,807,207.64 : x
  2. Step 2: Convert to fraction form
    1,333,218,682.96/1,999,923,683.82 = 459,807,207.64/x
  3. Step 3: Cross multiply
    1,333,218,682.96x = 1,999,923,683.82 × 459,807,207.64
  4. Step 4: Simplify right side
    1,333,218,682.96x = 919,579,324,550,376,448
  5. Step 5: Solve for x
    x = 919,579,324,550,376,448/1,333,218,682.96
  6. Step 6: Final answer
    x = 689,743,802.95

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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.