Home / 12,457,573,727.58-17,191,558,935.54-7,105,405,072.86

Finding the Fourth Proportional to 12,457,573,727.58, 17,191,558,935.54 and 7,105,405,072.86

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Solution

The fourth proportional to 12,457,573,727.58, 17,191,558,935.54 and 7,105,405,072.86 is: 9,805,520,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,573,727.58 : 17,191,558,935.54 = 7,105,405,072.86 : x
  2. Step 2: Convert to fraction form
    12,457,573,727.58/17,191,558,935.54 = 7,105,405,072.86/x
  3. Step 3: Cross multiply
    12,457,573,727.58x = 17,191,558,935.54 × 7,105,405,072.86
  4. Step 4: Simplify right side
    12,457,573,727.58x = 122,152,990,070,957,572,096
  5. Step 5: Solve for x
    x = 122,152,990,070,957,572,096/12,457,573,727.58
  6. Step 6: Final answer
    x = 9,805,520,139.17

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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.