Home / 619,382,337,410.55-854,634,158,430.13-345,021,162,189.76

Finding the Fourth Proportional to 619,382,337,410.55, 854,634,158,430.13 and 345,021,162,189.76

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Solution

The fourth proportional to 619,382,337,410.55, 854,634,158,430.13 and 345,021,162,189.76 is: 476,065,997,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,382,337,410.55 : 854,634,158,430.13 = 345,021,162,189.76 : x
  2. Step 2: Convert to fraction form
    619,382,337,410.55/854,634,158,430.13 = 345,021,162,189.76/x
  3. Step 3: Cross multiply
    619,382,337,410.55x = 854,634,158,430.13 × 345,021,162,189.76
  4. Step 4: Simplify right side
    619,382,337,410.55x = 294,866,870,588,630,928,195,584
  5. Step 5: Solve for x
    x = 294,866,870,588,630,928,195,584/619,382,337,410.55
  6. Step 6: Final answer
    x = 476,065,997,976.92

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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.