Home / 285,440,285,605.30-428,349,056,753.52-134,389,784,484.64

Finding the Fourth Proportional to 285,440,285,605.30, 428,349,056,753.52 and 134,389,784,484.64

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Solution

The fourth proportional to 285,440,285,605.30, 428,349,056,753.52 and 134,389,784,484.64 is: 201,673,485,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,440,285,605.30 : 428,349,056,753.52 = 134,389,784,484.64 : x
  2. Step 2: Convert to fraction form
    285,440,285,605.30/428,349,056,753.52 = 134,389,784,484.64/x
  3. Step 3: Cross multiply
    285,440,285,605.30x = 428,349,056,753.52 × 134,389,784,484.64
  4. Step 4: Simplify right side
    285,440,285,605.30x = 57,565,737,421,304,384,978,944
  5. Step 5: Solve for x
    x = 57,565,737,421,304,384,978,944/285,440,285,605.30
  6. Step 6: Final answer
    x = 201,673,485,924.50

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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.