Home / 1,008,742,531.90-1,392,099,256.92-585,324,296.32

Finding the Fourth Proportional to 1,008,742,531.90, 1,392,099,256.92 and 585,324,296.32

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Solution

The fourth proportional to 1,008,742,531.90, 1,392,099,256.92 and 585,324,296.32 is: 807,767,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,742,531.90 : 1,392,099,256.92 = 585,324,296.32 : x
  2. Step 2: Convert to fraction form
    1,008,742,531.90/1,392,099,256.92 = 585,324,296.32/x
  3. Step 3: Cross multiply
    1,008,742,531.90x = 1,392,099,256.92 × 585,324,296.32
  4. Step 4: Simplify right side
    1,008,742,531.90x = 814,829,517,964,294,016
  5. Step 5: Solve for x
    x = 814,829,517,964,294,016/1,008,742,531.90
  6. Step 6: Final answer
    x = 807,767,584.09

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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.