Home / 863,260,377.88-1,191,298,481.56-466,782,418.12

Finding the Fourth Proportional to 863,260,377.88, 1,191,298,481.56 and 466,782,418.12

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Solution

The fourth proportional to 863,260,377.88, 1,191,298,481.56 and 466,782,418.12 is: 644,159,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,260,377.88 : 1,191,298,481.56 = 466,782,418.12 : x
  2. Step 2: Convert to fraction form
    863,260,377.88/1,191,298,481.56 = 466,782,418.12/x
  3. Step 3: Cross multiply
    863,260,377.88x = 1,191,298,481.56 × 466,782,418.12
  4. Step 4: Simplify right side
    863,260,377.88x = 556,077,185,925,260,992
  5. Step 5: Solve for x
    x = 556,077,185,925,260,992/863,260,377.88
  6. Step 6: Final answer
    x = 644,159,282.85

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Double scale
Find fourth proportional to 863,260,378.88, 1,191,298,482.94 and 466,782,419.12
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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.