Home / 896,869,055.70-1,345,303,583.55-667,286,543.70

Finding the Fourth Proportional to 896,869,055.70, 1,345,303,583.55 and 667,286,543.70

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Solution

The fourth proportional to 896,869,055.70, 1,345,303,583.55 and 667,286,543.70 is: 1,000,929,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,869,055.70 : 1,345,303,583.55 = 667,286,543.70 : x
  2. Step 2: Convert to fraction form
    896,869,055.70/1,345,303,583.55 = 667,286,543.70/x
  3. Step 3: Cross multiply
    896,869,055.70x = 1,345,303,583.55 × 667,286,543.70
  4. Step 4: Simplify right side
    896,869,055.70x = 897,702,978,494,303,744
  5. Step 5: Solve for x
    x = 897,702,978,494,303,744/896,869,055.70
  6. Step 6: Final answer
    x = 1,000,929,815.55

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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.