Home / 298,081,582.74-447,313,691.50-144,643,937.22

Finding the Fourth Proportional to 298,081,582.74, 447,313,691.50 and 144,643,937.22

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Solution

The fourth proportional to 298,081,582.74, 447,313,691.50 and 144,643,937.22 is: 217,058,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,081,582.74 : 447,313,691.50 = 144,643,937.22 : x
  2. Step 2: Convert to fraction form
    298,081,582.74/447,313,691.50 = 144,643,937.22/x
  3. Step 3: Cross multiply
    298,081,582.74x = 447,313,691.50 × 144,643,937.22
  4. Step 4: Simplify right side
    298,081,582.74x = 64,701,213,511,423,736
  5. Step 5: Solve for x
    x = 64,701,213,511,423,736/298,081,582.74
  6. Step 6: Final answer
    x = 217,058,742.50

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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.