Home / 1,123,532,636.75-1,685,964,740.79-625,959,624.45

Finding the Fourth Proportional to 1,123,532,636.75, 1,685,964,740.79 and 625,959,624.45

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Solution

The fourth proportional to 1,123,532,636.75, 1,685,964,740.79 and 625,959,624.45 is: 939,310,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,532,636.75 : 1,685,964,740.79 = 625,959,624.45 : x
  2. Step 2: Convert to fraction form
    1,123,532,636.75/1,685,964,740.79 = 625,959,624.45/x
  3. Step 3: Cross multiply
    1,123,532,636.75x = 1,685,964,740.79 × 625,959,624.45
  4. Step 4: Simplify right side
    1,123,532,636.75x = 1,055,345,855,980,850,048
  5. Step 5: Solve for x
    x = 1,055,345,855,980,850,048/1,123,532,636.75
  6. Step 6: Final answer
    x = 939,310,369.33

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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.