Home / 380,183,407.56-524,563,180.26-215,170,977

Finding the Fourth Proportional to 380,183,407.56, 524,563,180.26 and 215,170,977

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Solution

The fourth proportional to 380,183,407.56, 524,563,180.26 and 215,170,977 is: 296,885,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,183,407.56 : 524,563,180.26 = 215,170,977 : x
  2. Step 2: Convert to fraction form
    380,183,407.56/524,563,180.26 = 215,170,977/x
  3. Step 3: Cross multiply
    380,183,407.56x = 524,563,180.26 × 215,170,977
  4. Step 4: Simplify right side
    380,183,407.56x = 112,870,771,994,771,312
  5. Step 5: Solve for x
    x = 112,870,771,994,771,312/380,183,407.56
  6. Step 6: Final answer
    x = 296,885,055.35

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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.