Home / 1,689,018,546.33-2,533,949,809.74-1,191,999,505.86

Finding the Fourth Proportional to 1,689,018,546.33, 2,533,949,809.74 and 1,191,999,505.86

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Solution

The fourth proportional to 1,689,018,546.33, 2,533,949,809.74 and 1,191,999,505.86 is: 1,788,297,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,018,546.33 : 2,533,949,809.74 = 1,191,999,505.86 : x
  2. Step 2: Convert to fraction form
    1,689,018,546.33/2,533,949,809.74 = 1,191,999,505.86/x
  3. Step 3: Cross multiply
    1,689,018,546.33x = 2,533,949,809.74 × 1,191,999,505.86
  4. Step 4: Simplify right side
    1,689,018,546.33x = 3,020,466,921,084,120,576
  5. Step 5: Solve for x
    x = 3,020,466,921,084,120,576/1,689,018,546.33
  6. Step 6: Final answer
    x = 1,788,297,072.08

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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.