Home / 21,275,232,001.40-31,912,848,002.10-10,255,271,425.40

Finding the Fourth Proportional to 21,275,232,001.40, 31,912,848,002.10 and 10,255,271,425.40

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Solution

The fourth proportional to 21,275,232,001.40, 31,912,848,002.10 and 10,255,271,425.40 is: 15,382,907,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,232,001.40 : 31,912,848,002.10 = 10,255,271,425.40 : x
  2. Step 2: Convert to fraction form
    21,275,232,001.40/31,912,848,002.10 = 10,255,271,425.40/x
  3. Step 3: Cross multiply
    21,275,232,001.40x = 31,912,848,002.10 × 10,255,271,425.40
  4. Step 4: Simplify right side
    21,275,232,001.40x = 327,274,918,219,069,587,456
  5. Step 5: Solve for x
    x = 327,274,918,219,069,587,456/21,275,232,001.40
  6. Step 6: Final answer
    x = 15,382,907,138.10

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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.