Home / 525,915,769.14-725,699,963.34-302,969,626.62

Finding the Fourth Proportional to 525,915,769.14, 725,699,963.34 and 302,969,626.62

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Solution

The fourth proportional to 525,915,769.14, 725,699,963.34 and 302,969,626.62 is: 418,061,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,915,769.14 : 725,699,963.34 = 302,969,626.62 : x
  2. Step 2: Convert to fraction form
    525,915,769.14/725,699,963.34 = 302,969,626.62/x
  3. Step 3: Cross multiply
    525,915,769.14x = 725,699,963.34 × 302,969,626.62
  4. Step 4: Simplify right side
    525,915,769.14x = 219,865,046,931,267,488
  5. Step 5: Solve for x
    x = 219,865,046,931,267,488/525,915,769.14
  6. Step 6: Final answer
    x = 418,061,331.93

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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.