Home / 435,769,743.12-601,022,049.84-279,151,412.32

Finding the Fourth Proportional to 435,769,743.12, 601,022,049.84 and 279,151,412.32

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Solution

The fourth proportional to 435,769,743.12, 601,022,049.84 and 279,151,412.32 is: 385,011,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,769,743.12 : 601,022,049.84 = 279,151,412.32 : x
  2. Step 2: Convert to fraction form
    435,769,743.12/601,022,049.84 = 279,151,412.32/x
  3. Step 3: Cross multiply
    435,769,743.12x = 601,022,049.84 × 279,151,412.32
  4. Step 4: Simplify right side
    435,769,743.12x = 167,776,154,048,297,440
  5. Step 5: Solve for x
    x = 167,776,154,048,297,440/435,769,743.12
  6. Step 6: Final answer
    x = 385,011,021.75

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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.