Home / 13,306,816,030.40-19,938,724,960.80-8,390,691,972.80

Finding the Fourth Proportional to 13,306,816,030.40, 19,938,724,960.80 and 8,390,691,972.80

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Solution

The fourth proportional to 13,306,816,030.40, 19,938,724,960.80 and 8,390,691,972.80 is: 12,572,481,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,816,030.40 : 19,938,724,960.80 = 8,390,691,972.80 : x
  2. Step 2: Convert to fraction form
    13,306,816,030.40/19,938,724,960.80 = 8,390,691,972.80/x
  3. Step 3: Cross multiply
    13,306,816,030.40x = 19,938,724,960.80 × 8,390,691,972.80
  4. Step 4: Simplify right side
    13,306,816,030.40x = 167,299,699,476,451,557,376
  5. Step 5: Solve for x
    x = 167,299,699,476,451,557,376/13,306,816,030.40
  6. Step 6: Final answer
    x = 12,572,481,583.44

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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.