Home / 786,672,912.60-1,180,009,368.90-480,562,896.60

Finding the Fourth Proportional to 786,672,912.60, 1,180,009,368.90 and 480,562,896.60

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Solution

The fourth proportional to 786,672,912.60, 1,180,009,368.90 and 480,562,896.60 is: 720,844,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,672,912.60 : 1,180,009,368.90 = 480,562,896.60 : x
  2. Step 2: Convert to fraction form
    786,672,912.60/1,180,009,368.90 = 480,562,896.60/x
  3. Step 3: Cross multiply
    786,672,912.60x = 1,180,009,368.90 × 480,562,896.60
  4. Step 4: Simplify right side
    786,672,912.60x = 567,068,720,333,722,048
  5. Step 5: Solve for x
    x = 567,068,720,333,722,048/786,672,912.60
  6. Step 6: Final answer
    x = 720,844,344.90

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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.