Home / 437,598,479.70-603,878,796.32-239,358,240.41

Finding the Fourth Proportional to 437,598,479.70, 603,878,796.32 and 239,358,240.41

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Solution

The fourth proportional to 437,598,479.70, 603,878,796.32 and 239,358,240.41 is: 330,310,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,598,479.70 : 603,878,796.32 = 239,358,240.41 : x
  2. Step 2: Convert to fraction form
    437,598,479.70/603,878,796.32 = 239,358,240.41/x
  3. Step 3: Cross multiply
    437,598,479.70x = 603,878,796.32 × 239,358,240.41
  4. Step 4: Simplify right side
    437,598,479.70x = 144,543,366,103,847,808
  5. Step 5: Solve for x
    x = 144,543,366,103,847,808/437,598,479.70
  6. Step 6: Final answer
    x = 330,310,485.09

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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.