Home / 407,956,852.32-562,964,075.28-222,313,911.36

Finding the Fourth Proportional to 407,956,852.32, 562,964,075.28 and 222,313,911.36

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Solution

The fourth proportional to 407,956,852.32, 562,964,075.28 and 222,313,911.36 is: 306,784,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,956,852.32 : 562,964,075.28 = 222,313,911.36 : x
  2. Step 2: Convert to fraction form
    407,956,852.32/562,964,075.28 = 222,313,911.36/x
  3. Step 3: Cross multiply
    407,956,852.32x = 562,964,075.28 × 222,313,911.36
  4. Step 4: Simplify right side
    407,956,852.32x = 125,154,745,530,662,288
  5. Step 5: Solve for x
    x = 125,154,745,530,662,288/407,956,852.32
  6. Step 6: Final answer
    x = 306,784,270.98

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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.