Home / 286,675,265,033.82-430,069,544,870.76-105,159,782,876.67

Finding the Fourth Proportional to 286,675,265,033.82, 430,069,544,870.76 and 105,159,782,876.67

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Solution

The fourth proportional to 286,675,265,033.82, 430,069,544,870.76 and 105,159,782,876.67 is: 157,760,453,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,675,265,033.82 : 430,069,544,870.76 = 105,159,782,876.67 : x
  2. Step 2: Convert to fraction form
    286,675,265,033.82/430,069,544,870.76 = 105,159,782,876.67/x
  3. Step 3: Cross multiply
    286,675,265,033.82x = 430,069,544,870.76 × 105,159,782,876.67
  4. Step 4: Simplify right side
    286,675,265,033.82x = 45,226,019,960,477,410,394,112
  5. Step 5: Solve for x
    x = 45,226,019,960,477,410,394,112/286,675,265,033.82
  6. Step 6: Final answer
    x = 157,760,453,993.62

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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.