Home / 18,255,362,507.58-25,216,031,956.35-15,096,307,142.46

Finding the Fourth Proportional to 18,255,362,507.58, 25,216,031,956.35 and 15,096,307,142.46

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Solution

The fourth proportional to 18,255,362,507.58, 25,216,031,956.35 and 15,096,307,142.46 is: 20,852,446,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,362,507.58 : 25,216,031,956.35 = 15,096,307,142.46 : x
  2. Step 2: Convert to fraction form
    18,255,362,507.58/25,216,031,956.35 = 15,096,307,142.46/x
  3. Step 3: Cross multiply
    18,255,362,507.58x = 25,216,031,956.35 × 15,096,307,142.46
  4. Step 4: Simplify right side
    18,255,362,507.58x = 380,668,963,327,146,065,920
  5. Step 5: Solve for x
    x = 380,668,963,327,146,065,920/18,255,362,507.58
  6. Step 6: Final answer
    x = 20,852,446,132.97

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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.