Home / 20,160,576,001.40-30,240,864,002.10-13,194,872,526.20

Finding the Fourth Proportional to 20,160,576,001.40, 30,240,864,002.10 and 13,194,872,526.20

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Solution

The fourth proportional to 20,160,576,001.40, 30,240,864,002.10 and 13,194,872,526.20 is: 19,792,308,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,576,001.40 : 30,240,864,002.10 = 13,194,872,526.20 : x
  2. Step 2: Convert to fraction form
    20,160,576,001.40/30,240,864,002.10 = 13,194,872,526.20/x
  3. Step 3: Cross multiply
    20,160,576,001.40x = 30,240,864,002.10 × 13,194,872,526.20
  4. Step 4: Simplify right side
    20,160,576,001.40x = 399,024,345,589,859,876,864
  5. Step 5: Solve for x
    x = 399,024,345,589,859,876,864/20,160,576,001.40
  6. Step 6: Final answer
    x = 19,792,308,789.30

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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.