Home / 20,702,808,020.80-31,054,212,031.20-17,029,487,828.80

Finding the Fourth Proportional to 20,702,808,020.80, 31,054,212,031.20 and 17,029,487,828.80

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Solution

The fourth proportional to 20,702,808,020.80, 31,054,212,031.20 and 17,029,487,828.80 is: 25,544,231,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,808,020.80 : 31,054,212,031.20 = 17,029,487,828.80 : x
  2. Step 2: Convert to fraction form
    20,702,808,020.80/31,054,212,031.20 = 17,029,487,828.80/x
  3. Step 3: Cross multiply
    20,702,808,020.80x = 31,054,212,031.20 × 17,029,487,828.80
  4. Step 4: Simplify right side
    20,702,808,020.80x = 528,837,325,818,294,894,592
  5. Step 5: Solve for x
    x = 528,837,325,818,294,894,592/20,702,808,020.80
  6. Step 6: Final answer
    x = 25,544,231,743.20

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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.