Home / 19,315,585,781.60-28,973,378,672.40-11,968,945,397.60

Finding the Fourth Proportional to 19,315,585,781.60, 28,973,378,672.40 and 11,968,945,397.60

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Solution

The fourth proportional to 19,315,585,781.60, 28,973,378,672.40 and 11,968,945,397.60 is: 17,953,418,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,585,781.60 : 28,973,378,672.40 = 11,968,945,397.60 : x
  2. Step 2: Convert to fraction form
    19,315,585,781.60/28,973,378,672.40 = 11,968,945,397.60/x
  3. Step 3: Cross multiply
    19,315,585,781.60x = 28,973,378,672.40 × 11,968,945,397.60
  4. Step 4: Simplify right side
    19,315,585,781.60x = 346,780,787,313,944,035,328
  5. Step 5: Solve for x
    x = 346,780,787,313,944,035,328/19,315,585,781.60
  6. Step 6: Final answer
    x = 17,953,418,096.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.