Home / 615,146,966.17-848,902,787.21-332,889,415.73

Finding the Fourth Proportional to 615,146,966.17, 848,902,787.21 and 332,889,415.73

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Solution

The fourth proportional to 615,146,966.17, 848,902,787.21 and 332,889,415.73 is: 459,387,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,146,966.17 : 848,902,787.21 = 332,889,415.73 : x
  2. Step 2: Convert to fraction form
    615,146,966.17/848,902,787.21 = 332,889,415.73/x
  3. Step 3: Cross multiply
    615,146,966.17x = 848,902,787.21 × 332,889,415.73
  4. Step 4: Simplify right side
    615,146,966.17x = 282,590,752,845,676,480
  5. Step 5: Solve for x
    x = 282,590,752,845,676,480/615,146,966.17
  6. Step 6: Final answer
    x = 459,387,379.58

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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.