Home / 377,166,670.44-520,461,868.02-212,122,353.48

Finding the Fourth Proportional to 377,166,670.44, 520,461,868.02 and 212,122,353.48

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Solution

The fourth proportional to 377,166,670.44, 520,461,868.02 and 212,122,353.48 is: 292,713,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,166,670.44 : 520,461,868.02 = 212,122,353.48 : x
  2. Step 2: Convert to fraction form
    377,166,670.44/520,461,868.02 = 212,122,353.48/x
  3. Step 3: Cross multiply
    377,166,670.44x = 520,461,868.02 × 212,122,353.48
  4. Step 4: Simplify right side
    377,166,670.44x = 110,401,596,340,999,536
  5. Step 5: Solve for x
    x = 110,401,596,340,999,536/377,166,670.44
  6. Step 6: Final answer
    x = 292,713,023.16

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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.