Home / 13,818,032,842.80-20,686,234,595.40-9,165,160,599.60

Finding the Fourth Proportional to 13,818,032,842.80, 20,686,234,595.40 and 9,165,160,599.60

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Solution

The fourth proportional to 13,818,032,842.80, 20,686,234,595.40 and 9,165,160,599.60 is: 13,720,669,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,032,842.80 : 20,686,234,595.40 = 9,165,160,599.60 : x
  2. Step 2: Convert to fraction form
    13,818,032,842.80/20,686,234,595.40 = 9,165,160,599.60/x
  3. Step 3: Cross multiply
    13,818,032,842.80x = 20,686,234,595.40 × 9,165,160,599.60
  4. Step 4: Simplify right side
    13,818,032,842.80x = 189,592,662,267,842,560,000
  5. Step 5: Solve for x
    x = 189,592,662,267,842,560,000/13,818,032,842.80
  6. Step 6: Final answer
    x = 13,720,669,535.58

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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.