Home / 976,573,791.78-1,347,787,367.02-580,098,347.76

Finding the Fourth Proportional to 976,573,791.78, 1,347,787,367.02 and 580,098,347.76

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Solution

The fourth proportional to 976,573,791.78, 1,347,787,367.02 and 580,098,347.76 is: 800,604,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,573,791.78 : 1,347,787,367.02 = 580,098,347.76 : x
  2. Step 2: Convert to fraction form
    976,573,791.78/1,347,787,367.02 = 580,098,347.76/x
  3. Step 3: Cross multiply
    976,573,791.78x = 1,347,787,367.02 × 580,098,347.76
  4. Step 4: Simplify right side
    976,573,791.78x = 781,849,224,742,022,016
  5. Step 5: Solve for x
    x = 781,849,224,742,022,016/976,573,791.78
  6. Step 6: Final answer
    x = 800,604,348.93

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Double scale
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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.