Home / 218,431,035,439.12-301,422,669,866.68-120,767,030,052.04

Finding the Fourth Proportional to 218,431,035,439.12, 301,422,669,866.68 and 120,767,030,052.04

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Solution

The fourth proportional to 218,431,035,439.12, 301,422,669,866.68 and 120,767,030,052.04 is: 166,651,778,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,431,035,439.12 : 301,422,669,866.68 = 120,767,030,052.04 : x
  2. Step 2: Convert to fraction form
    218,431,035,439.12/301,422,669,866.68 = 120,767,030,052.04/x
  3. Step 3: Cross multiply
    218,431,035,439.12x = 301,422,669,866.68 × 120,767,030,052.04
  4. Step 4: Simplify right side
    218,431,035,439.12x = 36,401,920,630,155,470,962,688
  5. Step 5: Solve for x
    x = 36,401,920,630,155,470,962,688/218,431,035,439.12
  6. Step 6: Final answer
    x = 166,651,778,933.22

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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.