Home / 1,341,239,086.40-2,011,858,629.60-1,277,749,601.60

Finding the Fourth Proportional to 1,341,239,086.40, 2,011,858,629.60 and 1,277,749,601.60

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Solution

The fourth proportional to 1,341,239,086.40, 2,011,858,629.60 and 1,277,749,601.60 is: 1,916,624,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,239,086.40 : 2,011,858,629.60 = 1,277,749,601.60 : x
  2. Step 2: Convert to fraction form
    1,341,239,086.40/2,011,858,629.60 = 1,277,749,601.60/x
  3. Step 3: Cross multiply
    1,341,239,086.40x = 2,011,858,629.60 × 1,277,749,601.60
  4. Step 4: Simplify right side
    1,341,239,086.40x = 2,570,651,562,446,921,728
  5. Step 5: Solve for x
    x = 2,570,651,562,446,921,728/1,341,239,086.40
  6. Step 6: Final answer
    x = 1,916,624,402.40

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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.