Home / 287,899,102,788.58-397,109,459,456.07-185,146,132,108.48

Finding the Fourth Proportional to 287,899,102,788.58, 397,109,459,456.07 and 185,146,132,108.48

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Solution

The fourth proportional to 287,899,102,788.58, 397,109,459,456.07 and 185,146,132,108.48 is: 255,378,636,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,899,102,788.58 : 397,109,459,456.07 = 185,146,132,108.48 : x
  2. Step 2: Convert to fraction form
    287,899,102,788.58/397,109,459,456.07 = 185,146,132,108.48/x
  3. Step 3: Cross multiply
    287,899,102,788.58x = 397,109,459,456.07 × 185,146,132,108.48
  4. Step 4: Simplify right side
    287,899,102,788.58x = 73,523,280,441,980,621,946,880
  5. Step 5: Solve for x
    x = 73,523,280,441,980,621,946,880/287,899,102,788.58
  6. Step 6: Final answer
    x = 255,378,636,924.66

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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.