Home / 920,404,127.36-1,375,562,945.60-671,932,629.20

Finding the Fourth Proportional to 920,404,127.36, 1,375,562,945.60 and 671,932,629.20

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Solution

The fourth proportional to 920,404,127.36, 1,375,562,945.60 and 671,932,629.20 is: 1,004,217,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,404,127.36 : 1,375,562,945.60 = 671,932,629.20 : x
  2. Step 2: Convert to fraction form
    920,404,127.36/1,375,562,945.60 = 671,932,629.20/x
  3. Step 3: Cross multiply
    920,404,127.36x = 1,375,562,945.60 × 671,932,629.20
  4. Step 4: Simplify right side
    920,404,127.36x = 924,285,626,667,104,512
  5. Step 5: Solve for x
    x = 924,285,626,667,104,512/920,404,127.36
  6. Step 6: Final answer
    x = 1,004,217,168.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.