Home / 342,779,817.06-473,180,966.89-231,421,503.85

Finding the Fourth Proportional to 342,779,817.06, 473,180,966.89 and 231,421,503.85

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Solution

The fourth proportional to 342,779,817.06, 473,180,966.89 and 231,421,503.85 is: 319,459,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,779,817.06 : 473,180,966.89 = 231,421,503.85 : x
  2. Step 2: Convert to fraction form
    342,779,817.06/473,180,966.89 = 231,421,503.85/x
  3. Step 3: Cross multiply
    342,779,817.06x = 473,180,966.89 × 231,421,503.85
  4. Step 4: Simplify right side
    342,779,817.06x = 109,504,250,949,119,344
  5. Step 5: Solve for x
    x = 109,504,250,949,119,344/342,779,817.06
  6. Step 6: Final answer
    x = 319,459,447.43

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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.