Home / 286,675,265,035.82-430,069,544,873.76-105,159,782,878.68

Finding the Fourth Proportional to 286,675,265,035.82, 430,069,544,873.76 and 105,159,782,878.68

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Solution

The fourth proportional to 286,675,265,035.82, 430,069,544,873.76 and 105,159,782,878.68 is: 157,760,453,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,675,265,035.82 : 430,069,544,873.76 = 105,159,782,878.68 : x
  2. Step 2: Convert to fraction form
    286,675,265,035.82/430,069,544,873.76 = 105,159,782,878.68/x
  3. Step 3: Cross multiply
    286,675,265,035.82x = 430,069,544,873.76 × 105,159,782,878.68
  4. Step 4: Simplify right side
    286,675,265,035.82x = 45,226,019,961,657,326,829,568
  5. Step 5: Solve for x
    x = 45,226,019,961,657,326,829,568/286,675,265,035.82
  6. Step 6: Final answer
    x = 157,760,453,996.64

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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.