Home / 369,354,712.48-553,149,212.36-205,185,288.47

Finding the Fourth Proportional to 369,354,712.48, 553,149,212.36 and 205,185,288.47

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Solution

The fourth proportional to 369,354,712.48, 553,149,212.36 and 205,185,288.47 is: 307,287,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,354,712.48 : 553,149,212.36 = 205,185,288.47 : x
  2. Step 2: Convert to fraction form
    369,354,712.48/553,149,212.36 = 205,185,288.47/x
  3. Step 3: Cross multiply
    369,354,712.48x = 553,149,212.36 × 205,185,288.47
  4. Step 4: Simplify right side
    369,354,712.48x = 113,498,080,701,248,224
  5. Step 5: Solve for x
    x = 113,498,080,701,248,224/369,354,712.48
  6. Step 6: Final answer
    x = 307,287,485.08

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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.