Home / 377,274,865.41-520,633,980.87-212,262,041.25

Finding the Fourth Proportional to 377,274,865.41, 520,633,980.87 and 212,262,041.25

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Solution

The fourth proportional to 377,274,865.41, 520,633,980.87 and 212,262,041.25 is: 292,918,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,274,865.41 : 520,633,980.87 = 212,262,041.25 : x
  2. Step 2: Convert to fraction form
    377,274,865.41/520,633,980.87 = 212,262,041.25/x
  3. Step 3: Cross multiply
    377,274,865.41x = 520,633,980.87 × 212,262,041.25
  4. Step 4: Simplify right side
    377,274,865.41x = 110,510,831,523,579,648
  5. Step 5: Solve for x
    x = 110,510,831,523,579,648/377,274,865.41
  6. Step 6: Final answer
    x = 292,918,616.25

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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.