Home / 21,552,362,246.40-32,304,356,899.20-12,240,571,142.40

Finding the Fourth Proportional to 21,552,362,246.40, 32,304,356,899.20 and 12,240,571,142.40

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Solution

The fourth proportional to 21,552,362,246.40, 32,304,356,899.20 and 12,240,571,142.40 is: 18,347,120,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,362,246.40 : 32,304,356,899.20 = 12,240,571,142.40 : x
  2. Step 2: Convert to fraction form
    21,552,362,246.40/32,304,356,899.20 = 12,240,571,142.40/x
  3. Step 3: Cross multiply
    21,552,362,246.40x = 32,304,356,899.20 × 12,240,571,142.40
  4. Step 4: Simplify right side
    21,552,362,246.40x = 395,423,778,834,137,874,432
  5. Step 5: Solve for x
    x = 395,423,778,834,137,874,432/21,552,362,246.40
  6. Step 6: Final answer
    x = 18,347,120,112.10

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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.