Home / 659,740,932.64-910,333,248.24-381,308,383.36

Finding the Fourth Proportional to 659,740,932.64, 910,333,248.24 and 381,308,383.36

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Solution

The fourth proportional to 659,740,932.64, 910,333,248.24 and 381,308,383.36 is: 526,142,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,740,932.64 : 910,333,248.24 = 381,308,383.36 : x
  2. Step 2: Convert to fraction form
    659,740,932.64/910,333,248.24 = 381,308,383.36/x
  3. Step 3: Cross multiply
    659,740,932.64x = 910,333,248.24 × 381,308,383.36
  4. Step 4: Simplify right side
    659,740,932.64x = 347,117,699,205,251,968
  5. Step 5: Solve for x
    x = 347,117,699,205,251,968/659,740,932.64
  6. Step 6: Final answer
    x = 526,142,432.63

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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.