Home / 743,562,968.12-1,026,111,224.58-409,028,289.56

Finding the Fourth Proportional to 743,562,968.12, 1,026,111,224.58 and 409,028,289.56

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Solution

The fourth proportional to 743,562,968.12, 1,026,111,224.58 and 409,028,289.56 is: 564,455,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,562,968.12 : 1,026,111,224.58 = 409,028,289.56 : x
  2. Step 2: Convert to fraction form
    743,562,968.12/1,026,111,224.58 = 409,028,289.56/x
  3. Step 3: Cross multiply
    743,562,968.12x = 1,026,111,224.58 × 409,028,289.56
  4. Step 4: Simplify right side
    743,562,968.12x = 419,708,519,088,274,432
  5. Step 5: Solve for x
    x = 419,708,519,088,274,432/743,562,968.12
  6. Step 6: Final answer
    x = 564,455,919.79

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1.5x scale

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.