Home / 450,630,493.44-621,853,991.04-255,056,006.40

Finding the Fourth Proportional to 450,630,493.44, 621,853,991.04 and 255,056,006.40

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Solution

The fourth proportional to 450,630,493.44, 621,853,991.04 and 255,056,006.40 is: 351,968,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,630,493.44 : 621,853,991.04 = 255,056,006.40 : x
  2. Step 2: Convert to fraction form
    450,630,493.44/621,853,991.04 = 255,056,006.40/x
  3. Step 3: Cross multiply
    450,630,493.44x = 621,853,991.04 × 255,056,006.40
  4. Step 4: Simplify right side
    450,630,493.44x = 158,607,595,518,563,776
  5. Step 5: Solve for x
    x = 158,607,595,518,563,776/450,630,493.44
  6. Step 6: Final answer
    x = 351,968,181.97

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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.