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Finding the Fourth Proportional to 539,798,801.40, 809,698,202.10 and 335,725,457.40

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Solution

The fourth proportional to 539,798,801.40, 809,698,202.10 and 335,725,457.40 is: 503,588,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,798,801.40 : 809,698,202.10 = 335,725,457.40 : x
  2. Step 2: Convert to fraction form
    539,798,801.40/809,698,202.10 = 335,725,457.40/x
  3. Step 3: Cross multiply
    539,798,801.40x = 809,698,202.10 × 335,725,457.40
  4. Step 4: Simplify right side
    539,798,801.40x = 271,836,299,255,980,128
  5. Step 5: Solve for x
    x = 271,836,299,255,980,128/539,798,801.40
  6. Step 6: Final answer
    x = 503,588,186.10

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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.