Home / 1,259,716,600.20-1,889,574,900.30-865,174,801.80

Finding the Fourth Proportional to 1,259,716,600.20, 1,889,574,900.30 and 865,174,801.80

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Solution

The fourth proportional to 1,259,716,600.20, 1,889,574,900.30 and 865,174,801.80 is: 1,297,762,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,716,600.20 : 1,889,574,900.30 = 865,174,801.80 : x
  2. Step 2: Convert to fraction form
    1,259,716,600.20/1,889,574,900.30 = 865,174,801.80/x
  3. Step 3: Cross multiply
    1,259,716,600.20x = 1,889,574,900.30 × 865,174,801.80
  4. Step 4: Simplify right side
    1,259,716,600.20x = 1,634,812,589,853,307,136
  5. Step 5: Solve for x
    x = 1,634,812,589,853,307,136/1,259,716,600.20
  6. Step 6: Final answer
    x = 1,297,762,202.70

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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.