Home / 13,437,216,123.20-20,155,824,184.80-9,519,007,918.40

Finding the Fourth Proportional to 13,437,216,123.20, 20,155,824,184.80 and 9,519,007,918.40

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Solution

The fourth proportional to 13,437,216,123.20, 20,155,824,184.80 and 9,519,007,918.40 is: 14,278,511,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,216,123.20 : 20,155,824,184.80 = 9,519,007,918.40 : x
  2. Step 2: Convert to fraction form
    13,437,216,123.20/20,155,824,184.80 = 9,519,007,918.40/x
  3. Step 3: Cross multiply
    13,437,216,123.20x = 20,155,824,184.80 × 9,519,007,918.40
  4. Step 4: Simplify right side
    13,437,216,123.20x = 191,863,450,016,989,413,376
  5. Step 5: Solve for x
    x = 191,863,450,016,989,413,376/13,437,216,123.20
  6. Step 6: Final answer
    x = 14,278,511,877.60

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Double scale
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1.5x scale

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.