Home / 1,311,519,503.35-1,809,893,840.43-747,004,276.36

Finding the Fourth Proportional to 1,311,519,503.35, 1,809,893,840.43 and 747,004,276.36

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Solution

The fourth proportional to 1,311,519,503.35, 1,809,893,840.43 and 747,004,276.36 is: 1,030,864,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,519,503.35 : 1,809,893,840.43 = 747,004,276.36 : x
  2. Step 2: Convert to fraction form
    1,311,519,503.35/1,809,893,840.43 = 747,004,276.36/x
  3. Step 3: Cross multiply
    1,311,519,503.35x = 1,809,893,840.43 × 747,004,276.36
  4. Step 4: Simplify right side
    1,311,519,503.35x = 1,351,998,438,558,833,664
  5. Step 5: Solve for x
    x = 1,351,998,438,558,833,664/1,311,519,503.35
  6. Step 6: Final answer
    x = 1,030,864,150.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.