Home / 517,162,028.74-713,698,671.58-282,227,821.72

Finding the Fourth Proportional to 517,162,028.74, 713,698,671.58 and 282,227,821.72

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Solution

The fourth proportional to 517,162,028.74, 713,698,671.58 and 282,227,821.72 is: 389,482,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,162,028.74 : 713,698,671.58 = 282,227,821.72 : x
  2. Step 2: Convert to fraction form
    517,162,028.74/713,698,671.58 = 282,227,821.72/x
  3. Step 3: Cross multiply
    517,162,028.74x = 713,698,671.58 × 282,227,821.72
  4. Step 4: Simplify right side
    517,162,028.74x = 201,425,621,441,991,232
  5. Step 5: Solve for x
    x = 201,425,621,441,991,232/517,162,028.74
  6. Step 6: Final answer
    x = 389,482,619.08

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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.