Home / 427,373,823,870.41-641,081,353,456-140,525,529,705.90

Finding the Fourth Proportional to 427,373,823,870.41, 641,081,353,456 and 140,525,529,705.90

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Solution

The fourth proportional to 427,373,823,870.41, 641,081,353,456 and 140,525,529,705.90 is: 210,795,073,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,373,823,870.41 : 641,081,353,456 = 140,525,529,705.90 : x
  2. Step 2: Convert to fraction form
    427,373,823,870.41/641,081,353,456 = 140,525,529,705.90/x
  3. Step 3: Cross multiply
    427,373,823,870.41x = 641,081,353,456 × 140,525,529,705.90
  4. Step 4: Simplify right side
    427,373,823,870.41x = 90,088,296,778,979,709,288,448
  5. Step 5: Solve for x
    x = 90,088,296,778,979,709,288,448/427,373,823,870.41
  6. Step 6: Final answer
    x = 210,795,073,884.30

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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.