Home / 25,909,389,014.90-38,864,083,522.35-21,202,230,073.55

Finding the Fourth Proportional to 25,909,389,014.90, 38,864,083,522.35 and 21,202,230,073.55

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Solution

The fourth proportional to 25,909,389,014.90, 38,864,083,522.35 and 21,202,230,073.55 is: 31,803,345,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909,389,014.90 : 38,864,083,522.35 = 21,202,230,073.55 : x
  2. Step 2: Convert to fraction form
    25,909,389,014.90/38,864,083,522.35 = 21,202,230,073.55/x
  3. Step 3: Cross multiply
    25,909,389,014.90x = 38,864,083,522.35 × 21,202,230,073.55
  4. Step 4: Simplify right side
    25,909,389,014.90x = 824,005,240,438,528,147,456
  5. Step 5: Solve for x
    x = 824,005,240,438,528,147,456/25,909,389,014.90
  6. Step 6: Final answer
    x = 31,803,345,110.33

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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.