Home / 377,490,772.92-520,904,040.30-210,214,394.04

Finding the Fourth Proportional to 377,490,772.92, 520,904,040.30 and 210,214,394.04

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Solution

The fourth proportional to 377,490,772.92, 520,904,040.30 and 210,214,394.04 is: 290,077,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,490,772.92 : 520,904,040.30 = 210,214,394.04 : x
  2. Step 2: Convert to fraction form
    377,490,772.92/520,904,040.30 = 210,214,394.04/x
  3. Step 3: Cross multiply
    377,490,772.92x = 520,904,040.30 × 210,214,394.04
  4. Step 4: Simplify right side
    377,490,772.92x = 109,501,527,184,652,240
  5. Step 5: Solve for x
    x = 109,501,527,184,652,240/377,490,772.92
  6. Step 6: Final answer
    x = 290,077,360.93

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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.