Home / 559,561,079.12-839,343,193.32-214,620,440.72

Finding the Fourth Proportional to 559,561,079.12, 839,343,193.32 and 214,620,440.72

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Solution

The fourth proportional to 559,561,079.12, 839,343,193.32 and 214,620,440.72 is: 321,931,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,561,079.12 : 839,343,193.32 = 214,620,440.72 : x
  2. Step 2: Convert to fraction form
    559,561,079.12/839,343,193.32 = 214,620,440.72/x
  3. Step 3: Cross multiply
    559,561,079.12x = 839,343,193.32 × 214,620,440.72
  4. Step 4: Simplify right side
    559,561,079.12x = 180,140,206,061,473,856
  5. Step 5: Solve for x
    x = 180,140,206,061,473,856/559,561,079.12
  6. Step 6: Final answer
    x = 321,931,265.03

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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.