Home / 30,839,588,687.26-42,548,459,186.88-18,627,730,827.69

Finding the Fourth Proportional to 30,839,588,687.26, 42,548,459,186.88 and 18,627,730,827.69

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Solution

The fourth proportional to 30,839,588,687.26, 42,548,459,186.88 and 18,627,730,827.69 is: 25,700,123,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839,588,687.26 : 42,548,459,186.88 = 18,627,730,827.69 : x
  2. Step 2: Convert to fraction form
    30,839,588,687.26/42,548,459,186.88 = 18,627,730,827.69/x
  3. Step 3: Cross multiply
    30,839,588,687.26x = 42,548,459,186.88 × 18,627,730,827.69
  4. Step 4: Simplify right side
    30,839,588,687.26x = 792,581,244,866,154,201,088
  5. Step 5: Solve for x
    x = 792,581,244,866,154,201,088/30,839,588,687.26
  6. Step 6: Final answer
    x = 25,700,123,724.20

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Double scale
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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.