Home / 378,611,050,045.86-567,951,487,446.93-123,641,769,842.50

Finding the Fourth Proportional to 378,611,050,045.86, 567,951,487,446.93 and 123,641,769,842.50

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Solution

The fourth proportional to 378,611,050,045.86, 567,951,487,446.93 and 123,641,769,842.50 is: 185,474,055,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,611,050,045.86 : 567,951,487,446.93 = 123,641,769,842.50 : x
  2. Step 2: Convert to fraction form
    378,611,050,045.86/567,951,487,446.93 = 123,641,769,842.50/x
  3. Step 3: Cross multiply
    378,611,050,045.86x = 567,951,487,446.93 × 123,641,769,842.50
  4. Step 4: Simplify right side
    378,611,050,045.86x = 70,222,527,092,618,854,137,856
  5. Step 5: Solve for x
    x = 70,222,527,092,618,854,137,856/378,611,050,045.86
  6. Step 6: Final answer
    x = 185,474,055,984.67

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1.5x scale

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.