Home / 525,590,610.60-725,319,740.04-290,657,076.60

Finding the Fourth Proportional to 525,590,610.60, 725,319,740.04 and 290,657,076.60

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Solution

The fourth proportional to 525,590,610.60, 725,319,740.04 and 290,657,076.60 is: 401,109,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590,610.60 : 725,319,740.04 = 290,657,076.60 : x
  2. Step 2: Convert to fraction form
    525,590,610.60/725,319,740.04 = 290,657,076.60/x
  3. Step 3: Cross multiply
    525,590,610.60x = 725,319,740.04 × 290,657,076.60
  4. Step 4: Simplify right side
    525,590,610.60x = 210,819,315,240,298,368
  5. Step 5: Solve for x
    x = 210,819,315,240,298,368/525,590,610.60
  6. Step 6: Final answer
    x = 401,109,363.43

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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.