Home / 531,456,326.40-797,184,489.60-483,839,212.80

Finding the Fourth Proportional to 531,456,326.40, 797,184,489.60 and 483,839,212.80

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Solution

The fourth proportional to 531,456,326.40, 797,184,489.60 and 483,839,212.80 is: 725,758,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,456,326.40 : 797,184,489.60 = 483,839,212.80 : x
  2. Step 2: Convert to fraction form
    531,456,326.40/797,184,489.60 = 483,839,212.80/x
  3. Step 3: Cross multiply
    531,456,326.40x = 797,184,489.60 × 483,839,212.80
  4. Step 4: Simplify right side
    531,456,326.40x = 385,709,115,904,433,792
  5. Step 5: Solve for x
    x = 385,709,115,904,433,792/531,456,326.40
  6. Step 6: Final answer
    x = 725,758,819.20

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1.5x scale

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.