Home / 285,600,071,628.83-427,929,388,399.83-165,881,329,220.48

Finding the Fourth Proportional to 285,600,071,628.83, 427,929,388,399.83 and 165,881,329,220.48

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Solution

The fourth proportional to 285,600,071,628.83, 427,929,388,399.83 and 165,881,329,220.48 is: 248,548,592,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,600,071,628.83 : 427,929,388,399.83 = 165,881,329,220.48 : x
  2. Step 2: Convert to fraction form
    285,600,071,628.83/427,929,388,399.83 = 165,881,329,220.48/x
  3. Step 3: Cross multiply
    285,600,071,628.83x = 427,929,388,399.83 × 165,881,329,220.48
  4. Step 4: Simplify right side
    285,600,071,628.83x = 70,985,495,760,270,862,057,472
  5. Step 5: Solve for x
    x = 70,985,495,760,270,862,057,472/285,600,071,628.83
  6. Step 6: Final answer
    x = 248,548,592,286.51

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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.