Home / 1,109,615,897.79-1,531,294,682.09-633,296,712.87

Finding the Fourth Proportional to 1,109,615,897.79, 1,531,294,682.09 and 633,296,712.87

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Solution

The fourth proportional to 1,109,615,897.79, 1,531,294,682.09 and 633,296,712.87 is: 873,963,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,615,897.79 : 1,531,294,682.09 = 633,296,712.87 : x
  2. Step 2: Convert to fraction form
    1,109,615,897.79/1,531,294,682.09 = 633,296,712.87/x
  3. Step 3: Cross multiply
    1,109,615,897.79x = 1,531,294,682.09 × 633,296,712.87
  4. Step 4: Simplify right side
    1,109,615,897.79x = 969,763,888,599,742,208
  5. Step 5: Solve for x
    x = 969,763,888,599,742,208/1,109,615,897.79
  6. Step 6: Final answer
    x = 873,963,585.54

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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.