Home / 506,132,043,119.37-698,416,054,126.79-300,330,818,303.85

Finding the Fourth Proportional to 506,132,043,119.37, 698,416,054,126.79 and 300,330,818,303.85

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Solution

The fourth proportional to 506,132,043,119.37, 698,416,054,126.79 and 300,330,818,303.85 is: 414,429,135,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,132,043,119.37 : 698,416,054,126.79 = 300,330,818,303.85 : x
  2. Step 2: Convert to fraction form
    506,132,043,119.37/698,416,054,126.79 = 300,330,818,303.85/x
  3. Step 3: Cross multiply
    506,132,043,119.37x = 698,416,054,126.79 × 300,330,818,303.85
  4. Step 4: Simplify right side
    506,132,043,119.37x = 209,755,865,052,444,817,883,136
  5. Step 5: Solve for x
    x = 209,755,865,052,444,817,883,136/506,132,043,119.37
  6. Step 6: Final answer
    x = 414,429,135,447.91

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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.