Home / 680,903,939.00-939,618,403.58-379,473,211.04

Finding the Fourth Proportional to 680,903,939.00, 939,618,403.58 and 379,473,211.04

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Solution

The fourth proportional to 680,903,939.00, 939,618,403.58 and 379,473,211.04 is: 523,656,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,903,939.00 : 939,618,403.58 = 379,473,211.04 : x
  2. Step 2: Convert to fraction form
    680,903,939.00/939,618,403.58 = 379,473,211.04/x
  3. Step 3: Cross multiply
    680,903,939.00x = 939,618,403.58 × 379,473,211.04
  4. Step 4: Simplify right side
    680,903,939.00x = 356,560,012,755,031,808
  5. Step 5: Solve for x
    x = 356,560,012,755,031,808/680,903,939.00
  6. Step 6: Final answer
    x = 523,656,851.33

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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.