Home / 369,021,634.20-553,616,432.10-215,588,712.60

Finding the Fourth Proportional to 369,021,634.20, 553,616,432.10 and 215,588,712.60

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Solution

The fourth proportional to 369,021,634.20, 553,616,432.10 and 215,588,712.60 is: 323,432,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,021,634.20 : 553,616,432.10 = 215,588,712.60 : x
  2. Step 2: Convert to fraction form
    369,021,634.20/553,616,432.10 = 215,588,712.60/x
  3. Step 3: Cross multiply
    369,021,634.20x = 553,616,432.10 × 215,588,712.60
  4. Step 4: Simplify right side
    369,021,634.20x = 119,353,453,870,644,320
  5. Step 5: Solve for x
    x = 119,353,453,870,644,320/369,021,634.20
  6. Step 6: Final answer
    x = 323,432,131.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.