Home / 18,849,030,860.80-28,273,546,291.20-6,441,371,545.60

Finding the Fourth Proportional to 18,849,030,860.80, 28,273,546,291.20 and 6,441,371,545.60

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Solution

The fourth proportional to 18,849,030,860.80, 28,273,546,291.20 and 6,441,371,545.60 is: 9,662,057,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849,030,860.80 : 28,273,546,291.20 = 6,441,371,545.60 : x
  2. Step 2: Convert to fraction form
    18,849,030,860.80/28,273,546,291.20 = 6,441,371,545.60/x
  3. Step 3: Cross multiply
    18,849,030,860.80x = 28,273,546,291.20 × 6,441,371,545.60
  4. Step 4: Simplify right side
    18,849,030,860.80x = 182,120,416,573,340,123,136
  5. Step 5: Solve for x
    x = 182,120,416,573,340,123,136/18,849,030,860.80
  6. Step 6: Final answer
    x = 9,662,057,318.40

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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.