Home / 393,480,998.10-590,221,497.15-382,143,590.10

Finding the Fourth Proportional to 393,480,998.10, 590,221,497.15 and 382,143,590.10

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Solution

The fourth proportional to 393,480,998.10, 590,221,497.15 and 382,143,590.10 is: 573,215,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,480,998.10 : 590,221,497.15 = 382,143,590.10 : x
  2. Step 2: Convert to fraction form
    393,480,998.10/590,221,497.15 = 382,143,590.10/x
  3. Step 3: Cross multiply
    393,480,998.10x = 590,221,497.15 × 382,143,590.10
  4. Step 4: Simplify right side
    393,480,998.10x = 225,549,361,875,097,920
  5. Step 5: Solve for x
    x = 225,549,361,875,097,920/393,480,998.10
  6. Step 6: Final answer
    x = 573,215,385.15

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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.