Home / 863,260,374.38-1,191,298,476.75-466,782,414.62

Finding the Fourth Proportional to 863,260,374.38, 1,191,298,476.75 and 466,782,414.62

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Solution

The fourth proportional to 863,260,374.38, 1,191,298,476.75 and 466,782,414.62 is: 644,159,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,260,374.38 : 1,191,298,476.75 = 466,782,414.62 : x
  2. Step 2: Convert to fraction form
    863,260,374.38/1,191,298,476.75 = 466,782,414.62/x
  3. Step 3: Cross multiply
    863,260,374.38x = 1,191,298,476.75 × 466,782,414.62
  4. Step 4: Simplify right side
    863,260,374.38x = 556,077,179,510,492,928
  5. Step 5: Solve for x
    x = 556,077,179,510,492,928/863,260,374.38
  6. Step 6: Final answer
    x = 644,159,278.03

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Double scale
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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.