Home / 579,487,211.40-869,230,817.10-538,672,542.60

Finding the Fourth Proportional to 579,487,211.40, 869,230,817.10 and 538,672,542.60

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Solution

The fourth proportional to 579,487,211.40, 869,230,817.10 and 538,672,542.60 is: 808,008,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,487,211.40 : 869,230,817.10 = 538,672,542.60 : x
  2. Step 2: Convert to fraction form
    579,487,211.40/869,230,817.10 = 538,672,542.60/x
  3. Step 3: Cross multiply
    579,487,211.40x = 869,230,817.10 × 538,672,542.60
  4. Step 4: Simplify right side
    579,487,211.40x = 468,230,774,353,532,608
  5. Step 5: Solve for x
    x = 468,230,774,353,532,608/579,487,211.40
  6. Step 6: Final answer
    x = 808,008,813.90

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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.