Home / 30,839,588,685.26-42,548,459,184.13-18,627,730,825.69

Finding the Fourth Proportional to 30,839,588,685.26, 42,548,459,184.13 and 18,627,730,825.69

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Solution

The fourth proportional to 30,839,588,685.26, 42,548,459,184.13 and 18,627,730,825.69 is: 25,700,123,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839,588,685.26 : 42,548,459,184.13 = 18,627,730,825.69 : x
  2. Step 2: Convert to fraction form
    30,839,588,685.26/42,548,459,184.13 = 18,627,730,825.69/x
  3. Step 3: Cross multiply
    30,839,588,685.26x = 42,548,459,184.13 × 18,627,730,825.69
  4. Step 4: Simplify right side
    30,839,588,685.26x = 792,581,244,729,525,403,648
  5. Step 5: Solve for x
    x = 792,581,244,729,525,403,648/30,839,588,685.26
  6. Step 6: Final answer
    x = 25,700,123,721.44

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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.