Home / 377,447,200.92-520,860,383.10-210,192,089.40

Finding the Fourth Proportional to 377,447,200.92, 520,860,383.10 and 210,192,089.40

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Solution

The fourth proportional to 377,447,200.92, 520,860,383.10 and 210,192,089.40 is: 290,055,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,447,200.92 : 520,860,383.10 = 210,192,089.40 : x
  2. Step 2: Convert to fraction form
    377,447,200.92/520,860,383.10 = 210,192,089.40/x
  3. Step 3: Cross multiply
    377,447,200.92x = 520,860,383.10 × 210,192,089.40
  4. Step 4: Simplify right side
    377,447,200.92x = 109,480,732,209,473,456
  5. Step 5: Solve for x
    x = 109,480,732,209,473,456/377,447,200.92
  6. Step 6: Final answer
    x = 290,055,753.34

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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.