Home / 525,699,242.69-788,550,199.61-214,806,859.06

Finding the Fourth Proportional to 525,699,242.69, 788,550,199.61 and 214,806,859.06

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Solution

The fourth proportional to 525,699,242.69, 788,550,199.61 and 214,806,859.06 is: 322,210,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,699,242.69 : 788,550,199.61 = 214,806,859.06 : x
  2. Step 2: Convert to fraction form
    525,699,242.69/788,550,199.61 = 214,806,859.06/x
  3. Step 3: Cross multiply
    525,699,242.69x = 788,550,199.61 × 214,806,859.06
  4. Step 4: Simplify right side
    525,699,242.69x = 169,385,991,587,797,216
  5. Step 5: Solve for x
    x = 169,385,991,587,797,216/525,699,242.69
  6. Step 6: Final answer
    x = 322,210,834.32

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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.