Home / 377,815,964.13-521,363,094.80-208,262,771.24

Finding the Fourth Proportional to 377,815,964.13, 521,363,094.80 and 208,262,771.24

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Solution

The fourth proportional to 377,815,964.13, 521,363,094.80 and 208,262,771.24 is: 287,389,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,815,964.13 : 521,363,094.80 = 208,262,771.24 : x
  2. Step 2: Convert to fraction form
    377,815,964.13/521,363,094.80 = 208,262,771.24/x
  3. Step 3: Cross multiply
    377,815,964.13x = 521,363,094.80 × 208,262,771.24
  4. Step 4: Simplify right side
    377,815,964.13x = 108,580,522,941,662,720
  5. Step 5: Solve for x
    x = 108,580,522,941,662,720/377,815,964.13
  6. Step 6: Final answer
    x = 287,389,981.50

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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.