Home / 339,606,002.40-509,409,003.60-145,484,383.20

Finding the Fourth Proportional to 339,606,002.40, 509,409,003.60 and 145,484,383.20

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Solution

The fourth proportional to 339,606,002.40, 509,409,003.60 and 145,484,383.20 is: 218,226,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,606,002.40 : 509,409,003.60 = 145,484,383.20 : x
  2. Step 2: Convert to fraction form
    339,606,002.40/509,409,003.60 = 145,484,383.20/x
  3. Step 3: Cross multiply
    339,606,002.40x = 509,409,003.60 × 145,484,383.20
  4. Step 4: Simplify right side
    339,606,002.40x = 74,111,054,685,272,576
  5. Step 5: Solve for x
    x = 74,111,054,685,272,576/339,606,002.40
  6. Step 6: Final answer
    x = 218,226,574.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.