Home / 757,670,509.62-1,037,991,228.53-729,343,274.40

Finding the Fourth Proportional to 757,670,509.62, 1,037,991,228.53 and 729,343,274.40

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Solution

The fourth proportional to 757,670,509.62, 1,037,991,228.53 and 729,343,274.40 is: 999,183,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,670,509.62 : 1,037,991,228.53 = 729,343,274.40 : x
  2. Step 2: Convert to fraction form
    757,670,509.62/1,037,991,228.53 = 729,343,274.40/x
  3. Step 3: Cross multiply
    757,670,509.62x = 1,037,991,228.53 × 729,343,274.40
  4. Step 4: Simplify right side
    757,670,509.62x = 757,051,921,410,902,144
  5. Step 5: Solve for x
    x = 757,051,921,410,902,144/757,670,509.62
  6. Step 6: Final answer
    x = 999,183,565.68

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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.