Home / 21,311,000,377.74-29,407,168,793.43-12,735,719,792.82

Finding the Fourth Proportional to 21,311,000,377.74, 29,407,168,793.43 and 12,735,719,792.82

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Solution

The fourth proportional to 21,311,000,377.74, 29,407,168,793.43 and 12,735,719,792.82 is: 17,574,091,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,311,000,377.74 : 29,407,168,793.43 = 12,735,719,792.82 : x
  2. Step 2: Convert to fraction form
    21,311,000,377.74/29,407,168,793.43 = 12,735,719,792.82/x
  3. Step 3: Cross multiply
    21,311,000,377.74x = 29,407,168,793.43 × 12,735,719,792.82
  4. Step 4: Simplify right side
    21,311,000,377.74x = 374,521,461,653,285,109,760
  5. Step 5: Solve for x
    x = 374,521,461,653,285,109,760/21,311,000,377.74
  6. Step 6: Final answer
    x = 17,574,091,080.42

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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.