Home / 18,395,215,999.90-27,592,823,999.85-5,309,439,718.30

Finding the Fourth Proportional to 18,395,215,999.90, 27,592,823,999.85 and 5,309,439,718.30

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Solution

The fourth proportional to 18,395,215,999.90, 27,592,823,999.85 and 5,309,439,718.30 is: 7,964,159,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395,215,999.90 : 27,592,823,999.85 = 5,309,439,718.30 : x
  2. Step 2: Convert to fraction form
    18,395,215,999.90/27,592,823,999.85 = 5,309,439,718.30/x
  3. Step 3: Cross multiply
    18,395,215,999.90x = 27,592,823,999.85 × 5,309,439,718.30
  4. Step 4: Simplify right side
    18,395,215,999.90x = 146,502,435,684,865,064,960
  5. Step 5: Solve for x
    x = 146,502,435,684,865,064,960/18,395,215,999.90
  6. Step 6: Final answer
    x = 7,964,159,577.45

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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.