Home / 13,291,474,117.52-18,347,882,012.04-8,281,696,727.48

Finding the Fourth Proportional to 13,291,474,117.52, 18,347,882,012.04 and 8,281,696,727.48

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Solution

The fourth proportional to 13,291,474,117.52, 18,347,882,012.04 and 8,281,696,727.48 is: 11,432,260,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,474,117.52 : 18,347,882,012.04 = 8,281,696,727.48 : x
  2. Step 2: Convert to fraction form
    13,291,474,117.52/18,347,882,012.04 = 8,281,696,727.48/x
  3. Step 3: Cross multiply
    13,291,474,117.52x = 18,347,882,012.04 × 8,281,696,727.48
  4. Step 4: Simplify right side
    13,291,474,117.52x = 151,951,594,415,300,837,376
  5. Step 5: Solve for x
    x = 151,951,594,415,300,837,376/13,291,474,117.52
  6. Step 6: Final answer
    x = 11,432,260,490.58

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1.5x scale

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.