Home / 20,149,574,211.90-27,815,329,894.23-13,016,466,811.98

Finding the Fourth Proportional to 20,149,574,211.90, 27,815,329,894.23 and 13,016,466,811.98

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Solution

The fourth proportional to 20,149,574,211.90, 27,815,329,894.23 and 13,016,466,811.98 is: 17,968,484,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,574,211.90 : 27,815,329,894.23 = 13,016,466,811.98 : x
  2. Step 2: Convert to fraction form
    20,149,574,211.90/27,815,329,894.23 = 13,016,466,811.98/x
  3. Step 3: Cross multiply
    20,149,574,211.90x = 27,815,329,894.23 × 13,016,466,811.98
  4. Step 4: Simplify right side
    20,149,574,211.90x = 362,057,318,432,519,946,240
  5. Step 5: Solve for x
    x = 362,057,318,432,519,946,240/20,149,574,211.90
  6. Step 6: Final answer
    x = 17,968,484,823.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.