Home / 380,495,565.72-570,603,361.14-131,437,446.93

Finding the Fourth Proportional to 380,495,565.72, 570,603,361.14 and 131,437,446.93

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Solution

The fourth proportional to 380,495,565.72, 570,603,361.14 and 131,437,446.93 is: 197,107,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,495,565.72 : 570,603,361.14 = 131,437,446.93 : x
  2. Step 2: Convert to fraction form
    380,495,565.72/570,603,361.14 = 131,437,446.93/x
  3. Step 3: Cross multiply
    380,495,565.72x = 570,603,361.14 × 131,437,446.93
  4. Step 4: Simplify right side
    380,495,565.72x = 74,998,648,997,918,384
  5. Step 5: Solve for x
    x = 74,998,648,997,918,384/380,495,565.72
  6. Step 6: Final answer
    x = 197,107,813.48

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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.