Home / 15,124,654,601.10-20,852,621,940.06-12,401,890,694.88

Finding the Fourth Proportional to 15,124,654,601.10, 20,852,621,940.06 and 12,401,890,694.88

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Solution

The fourth proportional to 15,124,654,601.10, 20,852,621,940.06 and 12,401,890,694.88 is: 17,098,700,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,654,601.10 : 20,852,621,940.06 = 12,401,890,694.88 : x
  2. Step 2: Convert to fraction form
    15,124,654,601.10/20,852,621,940.06 = 12,401,890,694.88/x
  3. Step 3: Cross multiply
    15,124,654,601.10x = 20,852,621,940.06 × 12,401,890,694.88
  4. Step 4: Simplify right side
    15,124,654,601.10x = 258,611,938,002,280,644,608
  5. Step 5: Solve for x
    x = 258,611,938,002,280,644,608/15,124,654,601.10
  6. Step 6: Final answer
    x = 17,098,700,421.46

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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.