Home / 19,840,464,390.80-29,760,696,586.20-17,820,138,285.20

Finding the Fourth Proportional to 19,840,464,390.80, 29,760,696,586.20 and 17,820,138,285.20

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Solution

The fourth proportional to 19,840,464,390.80, 29,760,696,586.20 and 17,820,138,285.20 is: 26,730,207,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840,464,390.80 : 29,760,696,586.20 = 17,820,138,285.20 : x
  2. Step 2: Convert to fraction form
    19,840,464,390.80/29,760,696,586.20 = 17,820,138,285.20/x
  3. Step 3: Cross multiply
    19,840,464,390.80x = 29,760,696,586.20 × 17,820,138,285.20
  4. Step 4: Simplify right side
    19,840,464,390.80x = 530,339,728,629,963,620,352
  5. Step 5: Solve for x
    x = 530,339,728,629,963,620,352/19,840,464,390.80
  6. Step 6: Final answer
    x = 26,730,207,427.80

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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.