Home / 377,005,205.29-520,271,971.27-207,478,961.50

Finding the Fourth Proportional to 377,005,205.29, 520,271,971.27 and 207,478,961.50

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Solution

The fourth proportional to 377,005,205.29, 520,271,971.27 and 207,478,961.50 is: 286,323,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,005,205.29 : 520,271,971.27 = 207,478,961.50 : x
  2. Step 2: Convert to fraction form
    377,005,205.29/520,271,971.27 = 207,478,961.50/x
  3. Step 3: Cross multiply
    377,005,205.29x = 520,271,971.27 × 207,478,961.50
  4. Step 4: Simplify right side
    377,005,205.29x = 107,945,488,296,369,792
  5. Step 5: Solve for x
    x = 107,945,488,296,369,792/377,005,205.29
  6. Step 6: Final answer
    x = 286,323,601.86

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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.