Home / 551,525,503.18-761,100,634.78-300,625,332.62

Finding the Fourth Proportional to 551,525,503.18, 761,100,634.78 and 300,625,332.62

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Solution

The fourth proportional to 551,525,503.18, 761,100,634.78 and 300,625,332.62 is: 414,860,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,525,503.18 : 761,100,634.78 = 300,625,332.62 : x
  2. Step 2: Convert to fraction form
    551,525,503.18/761,100,634.78 = 300,625,332.62/x
  3. Step 3: Cross multiply
    551,525,503.18x = 761,100,634.78 × 300,625,332.62
  4. Step 4: Simplify right side
    551,525,503.18x = 228,806,131,488,030,624
  5. Step 5: Solve for x
    x = 228,806,131,488,030,624/551,525,503.18
  6. Step 6: Final answer
    x = 414,860,473.67

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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.