Home / 1,303,010,342.40-1,954,515,513.60-786,024,537.60

Finding the Fourth Proportional to 1,303,010,342.40, 1,954,515,513.60 and 786,024,537.60

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Solution

The fourth proportional to 1,303,010,342.40, 1,954,515,513.60 and 786,024,537.60 is: 1,179,036,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,010,342.40 : 1,954,515,513.60 = 786,024,537.60 : x
  2. Step 2: Convert to fraction form
    1,303,010,342.40/1,954,515,513.60 = 786,024,537.60/x
  3. Step 3: Cross multiply
    1,303,010,342.40x = 1,954,515,513.60 × 786,024,537.60
  4. Step 4: Simplify right side
    1,303,010,342.40x = 1,536,297,152,809,466,368
  5. Step 5: Solve for x
    x = 1,536,297,152,809,466,368/1,303,010,342.40
  6. Step 6: Final answer
    x = 1,179,036,806.40

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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.