Home / 347,736,621.90-521,604,932.85-186,493,485.90

Finding the Fourth Proportional to 347,736,621.90, 521,604,932.85 and 186,493,485.90

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Solution

The fourth proportional to 347,736,621.90, 521,604,932.85 and 186,493,485.90 is: 279,740,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,621.90 : 521,604,932.85 = 186,493,485.90 : x
  2. Step 2: Convert to fraction form
    347,736,621.90/521,604,932.85 = 186,493,485.90/x
  3. Step 3: Cross multiply
    347,736,621.90x = 521,604,932.85 × 186,493,485.90
  4. Step 4: Simplify right side
    347,736,621.90x = 97,275,922,189,831,936
  5. Step 5: Solve for x
    x = 97,275,922,189,831,936/347,736,621.90
  6. Step 6: Final answer
    x = 279,740,228.85

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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.