Home / 1,158,191,377.34-1,737,299,189.50-458,853,716.88

Finding the Fourth Proportional to 1,158,191,377.34, 1,737,299,189.50 and 458,853,716.88

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Solution

The fourth proportional to 1,158,191,377.34, 1,737,299,189.50 and 458,853,716.88 is: 688,285,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,191,377.34 : 1,737,299,189.50 = 458,853,716.88 : x
  2. Step 2: Convert to fraction form
    1,158,191,377.34/1,737,299,189.50 = 458,853,716.88/x
  3. Step 3: Cross multiply
    1,158,191,377.34x = 1,737,299,189.50 × 458,853,716.88
  4. Step 4: Simplify right side
    1,158,191,377.34x = 797,166,190,433,539,328
  5. Step 5: Solve for x
    x = 797,166,190,433,539,328/1,158,191,377.34
  6. Step 6: Final answer
    x = 688,285,378.42

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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.