Home / 473,300,999.40-709,951,499.10-320,418,618.60

Finding the Fourth Proportional to 473,300,999.40, 709,951,499.10 and 320,418,618.60

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Solution

The fourth proportional to 473,300,999.40, 709,951,499.10 and 320,418,618.60 is: 480,627,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,300,999.40 : 709,951,499.10 = 320,418,618.60 : x
  2. Step 2: Convert to fraction form
    473,300,999.40/709,951,499.10 = 320,418,618.60/x
  3. Step 3: Cross multiply
    473,300,999.40x = 709,951,499.10 × 320,418,618.60
  4. Step 4: Simplify right side
    473,300,999.40x = 227,481,678,614,621,152
  5. Step 5: Solve for x
    x = 227,481,678,614,621,152/473,300,999.40
  6. Step 6: Final answer
    x = 480,627,927.90

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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.