Home / 405,761,090.40-559,903,064.94-227,154,758.94

Finding the Fourth Proportional to 405,761,090.40, 559,903,064.94 and 227,154,758.94

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Solution

The fourth proportional to 405,761,090.40, 559,903,064.94 and 227,154,758.94 is: 313,447,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,761,090.40 : 559,903,064.94 = 227,154,758.94 : x
  2. Step 2: Convert to fraction form
    405,761,090.40/559,903,064.94 = 227,154,758.94/x
  3. Step 3: Cross multiply
    405,761,090.40x = 559,903,064.94 × 227,154,758.94
  4. Step 4: Simplify right side
    405,761,090.40x = 127,184,645,746,212,880
  5. Step 5: Solve for x
    x = 127,184,645,746,212,880/405,761,090.40
  6. Step 6: Final answer
    x = 313,447,121.36

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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.