Home / 287,899,102,787.58-397,109,459,454.69-185,146,132,107.48

Finding the Fourth Proportional to 287,899,102,787.58, 397,109,459,454.69 and 185,146,132,107.48

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Solution

The fourth proportional to 287,899,102,787.58, 397,109,459,454.69 and 185,146,132,107.48 is: 255,378,636,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,899,102,787.58 : 397,109,459,454.69 = 185,146,132,107.48 : x
  2. Step 2: Convert to fraction form
    287,899,102,787.58/397,109,459,454.69 = 185,146,132,107.48/x
  3. Step 3: Cross multiply
    287,899,102,787.58x = 397,109,459,454.69 × 185,146,132,107.48
  4. Step 4: Simplify right side
    287,899,102,787.58x = 73,523,280,441,328,013,410,304
  5. Step 5: Solve for x
    x = 73,523,280,441,328,013,410,304/287,899,102,787.58
  6. Step 6: Final answer
    x = 255,378,636,923.28

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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.