Home / 407,437,662,983.38-562,247,604,928.46-222,035,434,958.42

Finding the Fourth Proportional to 407,437,662,983.38, 562,247,604,928.46 and 222,035,434,958.42

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Solution

The fourth proportional to 407,437,662,983.38, 562,247,604,928.46 and 222,035,434,958.42 is: 306,399,979,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,437,662,983.38 : 562,247,604,928.46 = 222,035,434,958.42 : x
  2. Step 2: Convert to fraction form
    407,437,662,983.38/562,247,604,928.46 = 222,035,434,958.42/x
  3. Step 3: Cross multiply
    407,437,662,983.38x = 562,247,604,928.46 × 222,035,434,958.42
  4. Step 4: Simplify right side
    407,437,662,983.38x = 124,838,891,514,620,503,130,112
  5. Step 5: Solve for x
    x = 124,838,891,514,620,503,130,112/407,437,662,983.38
  6. Step 6: Final answer
    x = 306,399,979,325.70

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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.