Home / 1,389,621,856.08-2,084,499,823.42-456,924,054.61

Finding the Fourth Proportional to 1,389,621,856.08, 2,084,499,823.42 and 456,924,054.61

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Solution

The fourth proportional to 1,389,621,856.08, 2,084,499,823.42 and 456,924,054.61 is: 685,408,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,621,856.08 : 2,084,499,823.42 = 456,924,054.61 : x
  2. Step 2: Convert to fraction form
    1,389,621,856.08/2,084,499,823.42 = 456,924,054.61/x
  3. Step 3: Cross multiply
    1,389,621,856.08x = 2,084,499,823.42 × 456,924,054.61
  4. Step 4: Simplify right side
    1,389,621,856.08x = 952,458,111,154,049,408
  5. Step 5: Solve for x
    x = 952,458,111,154,049,408/1,389,621,856.08
  6. Step 6: Final answer
    x = 685,408,125.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.