Home / 30,839,588,686.64-42,548,459,186.03-18,627,730,827.06

Finding the Fourth Proportional to 30,839,588,686.64, 42,548,459,186.03 and 18,627,730,827.06

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Solution

The fourth proportional to 30,839,588,686.64, 42,548,459,186.03 and 18,627,730,827.06 is: 25,700,123,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839,588,686.64 : 42,548,459,186.03 = 18,627,730,827.06 : x
  2. Step 2: Convert to fraction form
    30,839,588,686.64/42,548,459,186.03 = 18,627,730,827.06/x
  3. Step 3: Cross multiply
    30,839,588,686.64x = 42,548,459,186.03 × 18,627,730,827.06
  4. Step 4: Simplify right side
    30,839,588,686.64x = 792,581,244,823,422,238,720
  5. Step 5: Solve for x
    x = 792,581,244,823,422,238,720/30,839,588,686.64
  6. Step 6: Final answer
    x = 25,700,123,723.34

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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.