Home / 377,005,221.18-520,271,993.16-207,478,977.48

Finding the Fourth Proportional to 377,005,221.18, 520,271,993.16 and 207,478,977.48

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Solution

The fourth proportional to 377,005,221.18, 520,271,993.16 and 207,478,977.48 is: 286,323,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,005,221.18 : 520,271,993.16 = 207,478,977.48 : x
  2. Step 2: Convert to fraction form
    377,005,221.18/520,271,993.16 = 207,478,977.48/x
  3. Step 3: Cross multiply
    377,005,221.18x = 520,271,993.16 × 207,478,977.48
  4. Step 4: Simplify right side
    377,005,221.18x = 107,945,501,152,318,352
  5. Step 5: Solve for x
    x = 107,945,501,152,318,352/377,005,221.18
  6. Step 6: Final answer
    x = 286,323,623.89

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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.