Home / 30,552,967,852.56-42,162,351,500.36-16,819,649,491.73

Finding the Fourth Proportional to 30,552,967,852.56, 42,162,351,500.36 and 16,819,649,491.73

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Solution

The fourth proportional to 30,552,967,852.56, 42,162,351,500.36 and 16,819,649,491.73 is: 23,210,706,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552,967,852.56 : 42,162,351,500.36 = 16,819,649,491.73 : x
  2. Step 2: Convert to fraction form
    30,552,967,852.56/42,162,351,500.36 = 16,819,649,491.73/x
  3. Step 3: Cross multiply
    30,552,967,852.56x = 42,162,351,500.36 × 16,819,649,491.73
  4. Step 4: Simplify right side
    30,552,967,852.56x = 709,155,973,983,011,340,288
  5. Step 5: Solve for x
    x = 709,155,973,983,011,340,288/30,552,967,852.56
  6. Step 6: Final answer
    x = 23,210,706,645.76

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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.