Home / 383,359,435.20-575,039,152.80-238,240,612.80

Finding the Fourth Proportional to 383,359,435.20, 575,039,152.80 and 238,240,612.80

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Solution

The fourth proportional to 383,359,435.20, 575,039,152.80 and 238,240,612.80 is: 357,360,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,359,435.20 : 575,039,152.80 = 238,240,612.80 : x
  2. Step 2: Convert to fraction form
    383,359,435.20/575,039,152.80 = 238,240,612.80/x
  3. Step 3: Cross multiply
    383,359,435.20x = 575,039,152.80 × 238,240,612.80
  4. Step 4: Simplify right side
    383,359,435.20x = 136,997,680,147,064,832
  5. Step 5: Solve for x
    x = 136,997,680,147,064,832/383,359,435.20
  6. Step 6: Final answer
    x = 357,360,919.20

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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.