Home / 845,194,193.10-1,166,193,326.40-487,955,779.28

Finding the Fourth Proportional to 845,194,193.10, 1,166,193,326.40 and 487,955,779.28

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Solution

The fourth proportional to 845,194,193.10, 1,166,193,326.40 and 487,955,779.28 is: 673,278,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,194,193.10 : 1,166,193,326.40 = 487,955,779.28 : x
  2. Step 2: Convert to fraction form
    845,194,193.10/1,166,193,326.40 = 487,955,779.28/x
  3. Step 3: Cross multiply
    845,194,193.10x = 1,166,193,326.40 × 487,955,779.28
  4. Step 4: Simplify right side
    845,194,193.10x = 569,050,773,374,647,424
  5. Step 5: Solve for x
    x = 569,050,773,374,647,424/845,194,193.10
  6. Step 6: Final answer
    x = 673,278,138.94

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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.