Home / 435,467,999.20-653,201,998.80-297,515,538.40

Finding the Fourth Proportional to 435,467,999.20, 653,201,998.80 and 297,515,538.40

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Solution

The fourth proportional to 435,467,999.20, 653,201,998.80 and 297,515,538.40 is: 446,273,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,467,999.20 : 653,201,998.80 = 297,515,538.40 : x
  2. Step 2: Convert to fraction form
    435,467,999.20/653,201,998.80 = 297,515,538.40/x
  3. Step 3: Cross multiply
    435,467,999.20x = 653,201,998.80 × 297,515,538.40
  4. Step 4: Simplify right side
    435,467,999.20x = 194,337,744,356,938,112
  5. Step 5: Solve for x
    x = 194,337,744,356,938,112/435,467,999.20
  6. Step 6: Final answer
    x = 446,273,307.60

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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.