Home / 18,406,416,580.20-27,609,624,870.30-12,773,992,285.80

Finding the Fourth Proportional to 18,406,416,580.20, 27,609,624,870.30 and 12,773,992,285.80

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Solution

The fourth proportional to 18,406,416,580.20, 27,609,624,870.30 and 12,773,992,285.80 is: 19,160,988,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406,416,580.20 : 27,609,624,870.30 = 12,773,992,285.80 : x
  2. Step 2: Convert to fraction form
    18,406,416,580.20/27,609,624,870.30 = 12,773,992,285.80/x
  3. Step 3: Cross multiply
    18,406,416,580.20x = 27,609,624,870.30 × 12,773,992,285.80
  4. Step 4: Simplify right side
    18,406,416,580.20x = 352,685,135,107,044,016,128
  5. Step 5: Solve for x
    x = 352,685,135,107,044,016,128/18,406,416,580.20
  6. Step 6: Final answer
    x = 19,160,988,428.70

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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.