Home / 354,998,477.84-489,946,565.88-204,288,036.32

Finding the Fourth Proportional to 354,998,477.84, 489,946,565.88 and 204,288,036.32

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Solution

The fourth proportional to 354,998,477.84, 489,946,565.88 and 204,288,036.32 is: 281,945,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,998,477.84 : 489,946,565.88 = 204,288,036.32 : x
  2. Step 2: Convert to fraction form
    354,998,477.84/489,946,565.88 = 204,288,036.32/x
  3. Step 3: Cross multiply
    354,998,477.84x = 489,946,565.88 × 204,288,036.32
  4. Step 4: Simplify right side
    354,998,477.84x = 100,090,221,845,352,704
  5. Step 5: Solve for x
    x = 100,090,221,845,352,704/354,998,477.84
  6. Step 6: Final answer
    x = 281,945,495.81

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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.