Home / 285,440,285,585.28-428,349,056,723.52-134,389,784,464.64

Finding the Fourth Proportional to 285,440,285,585.28, 428,349,056,723.52 and 134,389,784,464.64

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Solution

The fourth proportional to 285,440,285,585.28, 428,349,056,723.52 and 134,389,784,464.64 is: 201,673,485,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,440,285,585.28 : 428,349,056,723.52 = 134,389,784,464.64 : x
  2. Step 2: Convert to fraction form
    285,440,285,585.28/428,349,056,723.52 = 134,389,784,464.64/x
  3. Step 3: Cross multiply
    285,440,285,585.28x = 428,349,056,723.52 × 134,389,784,464.64
  4. Step 4: Simplify right side
    285,440,285,585.28x = 57,565,737,408,705,710,784,512
  5. Step 5: Solve for x
    x = 57,565,737,408,705,710,784,512/285,440,285,585.28
  6. Step 6: Final answer
    x = 201,673,485,894.50

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Double scale
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1.5x scale

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.