Home / 525,851,058-725,695,827.03-290,897,667.66

Finding the Fourth Proportional to 525,851,058, 725,695,827.03 and 290,897,667.66

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Solution

The fourth proportional to 525,851,058, 725,695,827.03 and 290,897,667.66 is: 401,450,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,851,058 : 725,695,827.03 = 290,897,667.66 : x
  2. Step 2: Convert to fraction form
    525,851,058/725,695,827.03 = 290,897,667.66/x
  3. Step 3: Cross multiply
    525,851,058x = 725,695,827.03 × 290,897,667.66
  4. Step 4: Simplify right side
    525,851,058x = 211,103,223,513,621,792
  5. Step 5: Solve for x
    x = 211,103,223,513,621,792/525,851,058
  6. Step 6: Final answer
    x = 401,450,601.46

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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.