Home / 20,160,576,117.90-30,240,864,176.85-13,194,872,642.70

Finding the Fourth Proportional to 20,160,576,117.90, 30,240,864,176.85 and 13,194,872,642.70

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Solution

The fourth proportional to 20,160,576,117.90, 30,240,864,176.85 and 13,194,872,642.70 is: 19,792,308,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,576,117.90 : 30,240,864,176.85 = 13,194,872,642.70 : x
  2. Step 2: Convert to fraction form
    20,160,576,117.90/30,240,864,176.85 = 13,194,872,642.70/x
  3. Step 3: Cross multiply
    20,160,576,117.90x = 30,240,864,176.85 × 13,194,872,642.70
  4. Step 4: Simplify right side
    20,160,576,117.90x = 399,024,351,418,724,515,840
  5. Step 5: Solve for x
    x = 399,024,351,418,724,515,840/20,160,576,117.90
  6. Step 6: Final answer
    x = 19,792,308,964.05

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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.