Home / 619,382,337,410.57-854,634,158,430.11-345,021,162,189.76

Finding the Fourth Proportional to 619,382,337,410.57, 854,634,158,430.11 and 345,021,162,189.76

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Solution

The fourth proportional to 619,382,337,410.57, 854,634,158,430.11 and 345,021,162,189.76 is: 476,065,997,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,382,337,410.57 : 854,634,158,430.11 = 345,021,162,189.76 : x
  2. Step 2: Convert to fraction form
    619,382,337,410.57/854,634,158,430.11 = 345,021,162,189.76/x
  3. Step 3: Cross multiply
    619,382,337,410.57x = 854,634,158,430.11 × 345,021,162,189.76
  4. Step 4: Simplify right side
    619,382,337,410.57x = 294,866,870,588,624,015,982,592
  5. Step 5: Solve for x
    x = 294,866,870,588,624,015,982,592/619,382,337,410.57
  6. Step 6: Final answer
    x = 476,065,997,976.89

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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.