Home / 393,984,166.60-590,976,249.90-238,787,648.20

Finding the Fourth Proportional to 393,984,166.60, 590,976,249.90 and 238,787,648.20

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Solution

The fourth proportional to 393,984,166.60, 590,976,249.90 and 238,787,648.20 is: 358,181,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,166.60 : 590,976,249.90 = 238,787,648.20 : x
  2. Step 2: Convert to fraction form
    393,984,166.60/590,976,249.90 = 238,787,648.20/x
  3. Step 3: Cross multiply
    393,984,166.60x = 590,976,249.90 × 238,787,648.20
  4. Step 4: Simplify right side
    393,984,166.60x = 141,117,828,855,676,480
  5. Step 5: Solve for x
    x = 141,117,828,855,676,480/393,984,166.60
  6. Step 6: Final answer
    x = 358,181,472.30

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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.