Home / 400,995,308,649.62-601,740,368,533.86-185,823,744,362.58

Finding the Fourth Proportional to 400,995,308,649.62, 601,740,368,533.86 and 185,823,744,362.58

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Solution

The fourth proportional to 400,995,308,649.62, 601,740,368,533.86 and 185,823,744,362.58 is: 278,850,265,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,995,308,649.62 : 601,740,368,533.86 = 185,823,744,362.58 : x
  2. Step 2: Convert to fraction form
    400,995,308,649.62/601,740,368,533.86 = 185,823,744,362.58/x
  3. Step 3: Cross multiply
    400,995,308,649.62x = 601,740,368,533.86 × 185,823,744,362.58
  4. Step 4: Simplify right side
    400,995,308,649.62x = 111,817,648,415,080,672,395,264
  5. Step 5: Solve for x
    x = 111,817,648,415,080,672,395,264/400,995,308,649.62
  6. Step 6: Final answer
    x = 278,850,265,833.87

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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.