Home / 14,216,354,739-19,619,186,234.31-7,872,722,572.89

Finding the Fourth Proportional to 14,216,354,739, 19,619,186,234.31 and 7,872,722,572.89

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Solution

The fourth proportional to 14,216,354,739, 19,619,186,234.31 and 7,872,722,572.89 is: 10,864,698,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216,354,739 : 19,619,186,234.31 = 7,872,722,572.89 : x
  2. Step 2: Convert to fraction form
    14,216,354,739/19,619,186,234.31 = 7,872,722,572.89/x
  3. Step 3: Cross multiply
    14,216,354,739x = 19,619,186,234.31 × 7,872,722,572.89
  4. Step 4: Simplify right side
    14,216,354,739x = 154,456,410,328,585,109,504
  5. Step 5: Solve for x
    x = 154,456,410,328,585,109,504/14,216,354,739
  6. Step 6: Final answer
    x = 10,864,698,663.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.