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Finding the Fourth Proportional to 539,798,803.40, 809,698,205.10 and 335,725,459.40

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Solution

The fourth proportional to 539,798,803.40, 809,698,205.10 and 335,725,459.40 is: 503,588,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,798,803.40 : 809,698,205.10 = 335,725,459.40 : x
  2. Step 2: Convert to fraction form
    539,798,803.40/809,698,205.10 = 335,725,459.40/x
  3. Step 3: Cross multiply
    539,798,803.40x = 809,698,205.10 × 335,725,459.40
  4. Step 4: Simplify right side
    539,798,803.40x = 271,836,301,882,552,896
  5. Step 5: Solve for x
    x = 271,836,301,882,552,896/539,798,803.40
  6. Step 6: Final answer
    x = 503,588,189.10

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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.