Home / 18,913,168,713.66-28,376,918,205.48-11,355,231,425.70

Finding the Fourth Proportional to 18,913,168,713.66, 28,376,918,205.48 and 11,355,231,425.70

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Solution

The fourth proportional to 18,913,168,713.66, 28,376,918,205.48 and 11,355,231,425.70 is: 17,037,148,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913,168,713.66 : 28,376,918,205.48 = 11,355,231,425.70 : x
  2. Step 2: Convert to fraction form
    18,913,168,713.66/28,376,918,205.48 = 11,355,231,425.70/x
  3. Step 3: Cross multiply
    18,913,168,713.66x = 28,376,918,205.48 × 11,355,231,425.70
  4. Step 4: Simplify right side
    18,913,168,713.66x = 322,226,473,371,384,938,496
  5. Step 5: Solve for x
    x = 322,226,473,371,384,938,496/18,913,168,713.66
  6. Step 6: Final answer
    x = 17,037,148,996.54

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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.