Home / 896,918,009.80-1,345,377,014.70-413,188,601.80

Finding the Fourth Proportional to 896,918,009.80, 1,345,377,014.70 and 413,188,601.80

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Solution

The fourth proportional to 896,918,009.80, 1,345,377,014.70 and 413,188,601.80 is: 619,782,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,918,009.80 : 1,345,377,014.70 = 413,188,601.80 : x
  2. Step 2: Convert to fraction form
    896,918,009.80/1,345,377,014.70 = 413,188,601.80/x
  3. Step 3: Cross multiply
    896,918,009.80x = 1,345,377,014.70 × 413,188,601.80
  4. Step 4: Simplify right side
    896,918,009.80x = 555,894,447,597,751,104
  5. Step 5: Solve for x
    x = 555,894,447,597,751,104/896,918,009.80
  6. Step 6: Final answer
    x = 619,782,902.70

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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.