Home / 521,623,901.48-719,848,002.85-283,473,813.24

Finding the Fourth Proportional to 521,623,901.48, 719,848,002.85 and 283,473,813.24

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Solution

The fourth proportional to 521,623,901.48, 719,848,002.85 and 283,473,813.24 is: 391,197,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,623,901.48 : 719,848,002.85 = 283,473,813.24 : x
  2. Step 2: Convert to fraction form
    521,623,901.48/719,848,002.85 = 283,473,813.24/x
  3. Step 3: Cross multiply
    521,623,901.48x = 719,848,002.85 × 283,473,813.24
  4. Step 4: Simplify right side
    521,623,901.48x = 204,058,058,318,579,584
  5. Step 5: Solve for x
    x = 204,058,058,318,579,584/521,623,901.48
  6. Step 6: Final answer
    x = 391,197,676.60

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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.