Home / 351,130,222.85-484,559,665.98-210,001,421.43

Finding the Fourth Proportional to 351,130,222.85, 484,559,665.98 and 210,001,421.43

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Solution

The fourth proportional to 351,130,222.85, 484,559,665.98 and 210,001,421.43 is: 289,801,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,130,222.85 : 484,559,665.98 = 210,001,421.43 : x
  2. Step 2: Convert to fraction form
    351,130,222.85/484,559,665.98 = 210,001,421.43/x
  3. Step 3: Cross multiply
    351,130,222.85x = 484,559,665.98 × 210,001,421.43
  4. Step 4: Simplify right side
    351,130,222.85x = 101,758,218,623,446,016
  5. Step 5: Solve for x
    x = 101,758,218,623,446,016/351,130,222.85
  6. Step 6: Final answer
    x = 289,801,936.72

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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.