Home / 624,076,374.90-860,810,712.84-401,339,660.52

Finding the Fourth Proportional to 624,076,374.90, 860,810,712.84 and 401,339,660.52

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Solution

The fourth proportional to 624,076,374.90, 860,810,712.84 and 401,339,660.52 is: 553,582,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,076,374.90 : 860,810,712.84 = 401,339,660.52 : x
  2. Step 2: Convert to fraction form
    624,076,374.90/860,810,712.84 = 401,339,660.52/x
  3. Step 3: Cross multiply
    624,076,374.90x = 860,810,712.84 × 401,339,660.52
  4. Step 4: Simplify right side
    624,076,374.90x = 345,477,479,263,184,832
  5. Step 5: Solve for x
    x = 345,477,479,263,184,832/624,076,374.90
  6. Step 6: Final answer
    x = 553,582,050.46

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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.