Home / 845,194,193.39-1,166,193,326.81-487,955,779.58

Finding the Fourth Proportional to 845,194,193.39, 1,166,193,326.81 and 487,955,779.58

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Solution

The fourth proportional to 845,194,193.39, 1,166,193,326.81 and 487,955,779.58 is: 673,278,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,194,193.39 : 1,166,193,326.81 = 487,955,779.58 : x
  2. Step 2: Convert to fraction form
    845,194,193.39/1,166,193,326.81 = 487,955,779.58/x
  3. Step 3: Cross multiply
    845,194,193.39x = 1,166,193,326.81 × 487,955,779.58
  4. Step 4: Simplify right side
    845,194,193.39x = 569,050,773,928,702,592
  5. Step 5: Solve for x
    x = 569,050,773,928,702,592/845,194,193.39
  6. Step 6: Final answer
    x = 673,278,139.36

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1.5x scale

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.