Home / 407,437,662,890.36-562,247,604,800.72-222,035,434,865.40

Finding the Fourth Proportional to 407,437,662,890.36, 562,247,604,800.72 and 222,035,434,865.40

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Solution

The fourth proportional to 407,437,662,890.36, 562,247,604,800.72 and 222,035,434,865.40 is: 306,399,979,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,437,662,890.36 : 562,247,604,800.72 = 222,035,434,865.40 : x
  2. Step 2: Convert to fraction form
    407,437,662,890.36/562,247,604,800.72 = 222,035,434,865.40/x
  3. Step 3: Cross multiply
    407,437,662,890.36x = 562,247,604,800.72 × 222,035,434,865.40
  4. Step 4: Simplify right side
    407,437,662,890.36x = 124,838,891,433,957,410,209,792
  5. Step 5: Solve for x
    x = 124,838,891,433,957,410,209,792/407,437,662,890.36
  6. Step 6: Final answer
    x = 306,399,979,197.68

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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.