Home / 468,407,011,191.86-646,163,780,033.46-305,921,768,485.16

Finding the Fourth Proportional to 468,407,011,191.86, 646,163,780,033.46 and 305,921,768,485.16

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Solution

The fourth proportional to 468,407,011,191.86, 646,163,780,033.46 and 305,921,768,485.16 is: 422,016,668,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,407,011,191.86 : 646,163,780,033.46 = 305,921,768,485.16 : x
  2. Step 2: Convert to fraction form
    468,407,011,191.86/646,163,780,033.46 = 305,921,768,485.16/x
  3. Step 3: Cross multiply
    468,407,011,191.86x = 646,163,780,033.46 × 305,921,768,485.16
  4. Step 4: Simplify right side
    468,407,011,191.86x = 197,675,566,318,891,982,389,248
  5. Step 5: Solve for x
    x = 197,675,566,318,891,982,389,248/468,407,011,191.86
  6. Step 6: Final answer
    x = 422,016,668,401.07

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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.