Home / 278,865,262.13-417,490,120.69-210,067,807.37

Finding the Fourth Proportional to 278,865,262.13, 417,490,120.69 and 210,067,807.37

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Solution

The fourth proportional to 278,865,262.13, 417,490,120.69 and 210,067,807.37 is: 314,493,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,865,262.13 : 417,490,120.69 = 210,067,807.37 : x
  2. Step 2: Convert to fraction form
    278,865,262.13/417,490,120.69 = 210,067,807.37/x
  3. Step 3: Cross multiply
    278,865,262.13x = 417,490,120.69 × 210,067,807.37
  4. Step 4: Simplify right side
    278,865,262.13x = 87,701,234,249,372,352
  5. Step 5: Solve for x
    x = 87,701,234,249,372,352/278,865,262.13
  6. Step 6: Final answer
    x = 314,493,220.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.