Home / 525,101,567.09-724,639,922.97-290,150,172.59

Finding the Fourth Proportional to 525,101,567.09, 724,639,922.97 and 290,150,172.59

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Solution

The fourth proportional to 525,101,567.09, 724,639,922.97 and 290,150,172.59 is: 400,407,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101,567.09 : 724,639,922.97 = 290,150,172.59 : x
  2. Step 2: Convert to fraction form
    525,101,567.09/724,639,922.97 = 290,150,172.59/x
  3. Step 3: Cross multiply
    525,101,567.09x = 724,639,922.97 × 290,150,172.59
  4. Step 4: Simplify right side
    525,101,567.09x = 210,254,398,715,349,792
  5. Step 5: Solve for x
    x = 210,254,398,715,349,792/525,101,567.09
  6. Step 6: Final answer
    x = 400,407,105.77

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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.