Home / 407,437,662,891.12-562,247,604,801.80-222,035,434,866.16

Finding the Fourth Proportional to 407,437,662,891.12, 562,247,604,801.80 and 222,035,434,866.16

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Solution

The fourth proportional to 407,437,662,891.12, 562,247,604,801.80 and 222,035,434,866.16 is: 306,399,979,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,437,662,891.12 : 562,247,604,801.80 = 222,035,434,866.16 : x
  2. Step 2: Convert to fraction form
    407,437,662,891.12/562,247,604,801.80 = 222,035,434,866.16/x
  3. Step 3: Cross multiply
    407,437,662,891.12x = 562,247,604,801.80 × 222,035,434,866.16
  4. Step 4: Simplify right side
    407,437,662,891.12x = 124,838,891,434,624,539,426,816
  5. Step 5: Solve for x
    x = 124,838,891,434,624,539,426,816/407,437,662,891.12
  6. Step 6: Final answer
    x = 306,399,979,198.75

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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.