Home / 1,781,443,104.75-2,672,077,743.72-661,184,740.44

Finding the Fourth Proportional to 1,781,443,104.75, 2,672,077,743.72 and 661,184,740.44

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Solution

The fourth proportional to 1,781,443,104.75, 2,672,077,743.72 and 661,184,740.44 is: 991,744,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,443,104.75 : 2,672,077,743.72 = 661,184,740.44 : x
  2. Step 2: Convert to fraction form
    1,781,443,104.75/2,672,077,743.72 = 661,184,740.44/x
  3. Step 3: Cross multiply
    1,781,443,104.75x = 2,672,077,743.72 × 661,184,740.44
  4. Step 4: Simplify right side
    1,781,443,104.75x = 1,766,737,029,417,009,152
  5. Step 5: Solve for x
    x = 1,766,737,029,417,009,152/1,781,443,104.75
  6. Step 6: Final answer
    x = 991,744,852.65

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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.