Home / 7,621,826,578.96-10,518,404,539.85-4,570,499,643.54

Finding the Fourth Proportional to 7,621,826,578.96, 10,518,404,539.85 and 4,570,499,643.54

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Solution

The fourth proportional to 7,621,826,578.96, 10,518,404,539.85 and 4,570,499,643.54 is: 6,307,459,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,826,578.96 : 10,518,404,539.85 = 4,570,499,643.54 : x
  2. Step 2: Convert to fraction form
    7,621,826,578.96/10,518,404,539.85 = 4,570,499,643.54/x
  3. Step 3: Cross multiply
    7,621,826,578.96x = 10,518,404,539.85 × 4,570,499,643.54
  4. Step 4: Simplify right side
    7,621,826,578.96x = 48,074,364,199,918,493,696
  5. Step 5: Solve for x
    x = 48,074,364,199,918,493,696/7,621,826,578.96
  6. Step 6: Final answer
    x = 6,307,459,727.91

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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.