Home / 6,430,709,648.81-9,644,994,579.54-1,947,738,435.51

Finding the Fourth Proportional to 6,430,709,648.81, 9,644,994,579.54 and 1,947,738,435.51

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Solution

The fourth proportional to 6,430,709,648.81, 9,644,994,579.54 and 1,947,738,435.51 is: 2,921,283,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,709,648.81 : 9,644,994,579.54 = 1,947,738,435.51 : x
  2. Step 2: Convert to fraction form
    6,430,709,648.81/9,644,994,579.54 = 1,947,738,435.51/x
  3. Step 3: Cross multiply
    6,430,709,648.81x = 9,644,994,579.54 × 1,947,738,435.51
  4. Step 4: Simplify right side
    6,430,709,648.81x = 18,785,926,652,835,385,344
  5. Step 5: Solve for x
    x = 18,785,926,652,835,385,344/6,430,709,648.81
  6. Step 6: Final answer
    x = 2,921,283,603.02

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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.