Home / 540,605,148.48-810,599,676.48-212,903,202.24

Finding the Fourth Proportional to 540,605,148.48, 810,599,676.48 and 212,903,202.24

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Solution

The fourth proportional to 540,605,148.48, 810,599,676.48 and 212,903,202.24 is: 319,233,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,605,148.48 : 810,599,676.48 = 212,903,202.24 : x
  2. Step 2: Convert to fraction form
    540,605,148.48/810,599,676.48 = 212,903,202.24/x
  3. Step 3: Cross multiply
    540,605,148.48x = 810,599,676.48 × 212,903,202.24
  4. Step 4: Simplify right side
    540,605,148.48x = 172,579,266,857,300,032
  5. Step 5: Solve for x
    x = 172,579,266,857,300,032/540,605,148.48
  6. Step 6: Final answer
    x = 319,233,487.40

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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.