Home / 427,373,823,871.16-641,081,353,457.11-140,525,529,706.67

Finding the Fourth Proportional to 427,373,823,871.16, 641,081,353,457.11 and 140,525,529,706.67

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Solution

The fourth proportional to 427,373,823,871.16, 641,081,353,457.11 and 140,525,529,706.67 is: 210,795,073,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,373,823,871.16 : 641,081,353,457.11 = 140,525,529,706.67 : x
  2. Step 2: Convert to fraction form
    427,373,823,871.16/641,081,353,457.11 = 140,525,529,706.67/x
  3. Step 3: Cross multiply
    427,373,823,871.16x = 641,081,353,457.11 × 140,525,529,706.67
  4. Step 4: Simplify right side
    427,373,823,871.16x = 90,088,296,779,629,323,091,968
  5. Step 5: Solve for x
    x = 90,088,296,779,629,323,091,968/427,373,823,871.16
  6. Step 6: Final answer
    x = 210,795,073,885.45

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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.