Home / 251,488,573.31-346,994,864.09-211,406,958.35

Finding the Fourth Proportional to 251,488,573.31, 346,994,864.09 and 211,406,958.35

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Solution

The fourth proportional to 251,488,573.31, 346,994,864.09 and 211,406,958.35 is: 291,691,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,488,573.31 : 346,994,864.09 = 211,406,958.35 : x
  2. Step 2: Convert to fraction form
    251,488,573.31/346,994,864.09 = 211,406,958.35/x
  3. Step 3: Cross multiply
    251,488,573.31x = 346,994,864.09 × 211,406,958.35
  4. Step 4: Simplify right side
    251,488,573.31x = 73,357,128,780,338,528
  5. Step 5: Solve for x
    x = 73,357,128,780,338,528/251,488,573.31
  6. Step 6: Final answer
    x = 291,691,697.22

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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.