Home / 659,741,348.64-910,333,822.08-381,308,799.36

Finding the Fourth Proportional to 659,741,348.64, 910,333,822.08 and 381,308,799.36

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Solution

The fourth proportional to 659,741,348.64, 910,333,822.08 and 381,308,799.36 is: 526,143,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,741,348.64 : 910,333,822.08 = 381,308,799.36 : x
  2. Step 2: Convert to fraction form
    659,741,348.64/910,333,822.08 = 381,308,799.36/x
  3. Step 3: Cross multiply
    659,741,348.64x = 910,333,822.08 × 381,308,799.36
  4. Step 4: Simplify right side
    659,741,348.64x = 347,118,296,714,124,672
  5. Step 5: Solve for x
    x = 347,118,296,714,124,672/659,741,348.64
  6. Step 6: Final answer
    x = 526,143,006.54

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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.