Home / 289,707,034.90-434,560,552.35-263,347,561.30

Finding the Fourth Proportional to 289,707,034.90, 434,560,552.35 and 263,347,561.30

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Solution

The fourth proportional to 289,707,034.90, 434,560,552.35 and 263,347,561.30 is: 395,021,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,707,034.90 : 434,560,552.35 = 263,347,561.30 : x
  2. Step 2: Convert to fraction form
    289,707,034.90/434,560,552.35 = 263,347,561.30/x
  3. Step 3: Cross multiply
    289,707,034.90x = 434,560,552.35 × 263,347,561.30
  4. Step 4: Simplify right side
    289,707,034.90x = 114,440,461,698,553,488
  5. Step 5: Solve for x
    x = 114,440,461,698,553,488/289,707,034.90
  6. Step 6: Final answer
    x = 395,021,341.95

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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.