Home / 380,022,233.09-570,119,303.86-205,141,513.46

Finding the Fourth Proportional to 380,022,233.09, 570,119,303.86 and 205,141,513.46

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Solution

The fourth proportional to 380,022,233.09, 570,119,303.86 and 205,141,513.46 is: 307,758,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,022,233.09 : 570,119,303.86 = 205,141,513.46 : x
  2. Step 2: Convert to fraction form
    380,022,233.09/570,119,303.86 = 205,141,513.46/x
  3. Step 3: Cross multiply
    380,022,233.09x = 570,119,303.86 × 205,141,513.46
  4. Step 4: Simplify right side
    380,022,233.09x = 116,955,136,843,238,576
  5. Step 5: Solve for x
    x = 116,955,136,843,238,576/380,022,233.09
  6. Step 6: Final answer
    x = 307,758,669.52

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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.