Home / 313,146,364,189.42-469,527,311,784.75-121,694,859,416.98

Finding the Fourth Proportional to 313,146,364,189.42, 469,527,311,784.75 and 121,694,859,416.98

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Solution

The fourth proportional to 313,146,364,189.42, 469,527,311,784.75 and 121,694,859,416.98 is: 182,467,583,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,146,364,189.42 : 469,527,311,784.75 = 121,694,859,416.98 : x
  2. Step 2: Convert to fraction form
    313,146,364,189.42/469,527,311,784.75 = 121,694,859,416.98/x
  3. Step 3: Cross multiply
    313,146,364,189.42x = 469,527,311,784.75 × 121,694,859,416.98
  4. Step 4: Simplify right side
    313,146,364,189.42x = 57,139,060,200,077,688,569,856
  5. Step 5: Solve for x
    x = 57,139,060,200,077,688,569,856/313,146,364,189.42
  6. Step 6: Final answer
    x = 182,467,583,003.82

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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.