Home / 380,184,753.84-524,565,037.27-215,172,318.48

Finding the Fourth Proportional to 380,184,753.84, 524,565,037.27 and 215,172,318.48

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Solution

The fourth proportional to 380,184,753.84, 524,565,037.27 and 215,172,318.48 is: 296,886,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,184,753.84 : 524,565,037.27 = 215,172,318.48 : x
  2. Step 2: Convert to fraction form
    380,184,753.84/524,565,037.27 = 215,172,318.48/x
  3. Step 3: Cross multiply
    380,184,753.84x = 524,565,037.27 × 215,172,318.48
  4. Step 4: Simplify right side
    380,184,753.84x = 112,871,875,262,933,504
  5. Step 5: Solve for x
    x = 112,871,875,262,933,504/380,184,753.84
  6. Step 6: Final answer
    x = 296,886,905.97

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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.