Home / 630,850,820.80-946,276,231.20-447,184,811.20

Finding the Fourth Proportional to 630,850,820.80, 946,276,231.20 and 447,184,811.20

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Solution

The fourth proportional to 630,850,820.80, 946,276,231.20 and 447,184,811.20 is: 670,777,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,850,820.80 : 946,276,231.20 = 447,184,811.20 : x
  2. Step 2: Convert to fraction form
    630,850,820.80/946,276,231.20 = 447,184,811.20/x
  3. Step 3: Cross multiply
    630,850,820.80x = 946,276,231.20 × 447,184,811.20
  4. Step 4: Simplify right side
    630,850,820.80x = 423,160,357,792,219,584
  5. Step 5: Solve for x
    x = 423,160,357,792,219,584/630,850,820.80
  6. Step 6: Final answer
    x = 670,777,216.80

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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.