Home / 525,101,569.09-724,639,925.73-290,150,174.59

Finding the Fourth Proportional to 525,101,569.09, 724,639,925.73 and 290,150,174.59

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Solution

The fourth proportional to 525,101,569.09, 724,639,925.73 and 290,150,174.59 is: 400,407,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101,569.09 : 724,639,925.73 = 290,150,174.59 : x
  2. Step 2: Convert to fraction form
    525,101,569.09/724,639,925.73 = 290,150,174.59/x
  3. Step 3: Cross multiply
    525,101,569.09x = 724,639,925.73 × 290,150,174.59
  4. Step 4: Simplify right side
    525,101,569.09x = 210,254,400,965,444,128
  5. Step 5: Solve for x
    x = 210,254,400,965,444,128/525,101,569.09
  6. Step 6: Final answer
    x = 400,407,108.53

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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.