Home / 13,385,680,082.40-20,078,520,123.60-11,916,352,005.60

Finding the Fourth Proportional to 13,385,680,082.40, 20,078,520,123.60 and 11,916,352,005.60

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Solution

The fourth proportional to 13,385,680,082.40, 20,078,520,123.60 and 11,916,352,005.60 is: 17,874,528,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385,680,082.40 : 20,078,520,123.60 = 11,916,352,005.60 : x
  2. Step 2: Convert to fraction form
    13,385,680,082.40/20,078,520,123.60 = 11,916,352,005.60/x
  3. Step 3: Cross multiply
    13,385,680,082.40x = 20,078,520,123.60 × 11,916,352,005.60
  4. Step 4: Simplify right side
    13,385,680,082.40x = 239,262,713,544,340,799,488
  5. Step 5: Solve for x
    x = 239,262,713,544,340,799,488/13,385,680,082.40
  6. Step 6: Final answer
    x = 17,874,528,008.40

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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.