Home / 476,408,990.75-657,449,030.75-275,450,776.74

Finding the Fourth Proportional to 476,408,990.75, 657,449,030.75 and 275,450,776.74

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Solution

The fourth proportional to 476,408,990.75, 657,449,030.75 and 275,450,776.74 is: 380,124,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,408,990.75 : 657,449,030.75 = 275,450,776.74 : x
  2. Step 2: Convert to fraction form
    476,408,990.75/657,449,030.75 = 275,450,776.74/x
  3. Step 3: Cross multiply
    476,408,990.75x = 657,449,030.75 × 275,450,776.74
  4. Step 4: Simplify right side
    476,408,990.75x = 181,094,846,185,670,400
  5. Step 5: Solve for x
    x = 181,094,846,185,670,400/476,408,990.75
  6. Step 6: Final answer
    x = 380,124,745.13

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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.