Home / 757,670,513.12-1,037,991,233.32-729,343,277.90

Finding the Fourth Proportional to 757,670,513.12, 1,037,991,233.32 and 729,343,277.90

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Solution

The fourth proportional to 757,670,513.12, 1,037,991,233.32 and 729,343,277.90 is: 999,183,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,670,513.12 : 1,037,991,233.32 = 729,343,277.90 : x
  2. Step 2: Convert to fraction form
    757,670,513.12/1,037,991,233.32 = 729,343,277.90/x
  3. Step 3: Cross multiply
    757,670,513.12x = 1,037,991,233.32 × 729,343,277.90
  4. Step 4: Simplify right side
    757,670,513.12x = 757,051,928,541,072,512
  5. Step 5: Solve for x
    x = 757,051,928,541,072,512/757,670,513.12
  6. Step 6: Final answer
    x = 999,183,570.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.