Home / 398,637,010.40-597,955,515.60-395,949,624.80

Finding the Fourth Proportional to 398,637,010.40, 597,955,515.60 and 395,949,624.80

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Solution

The fourth proportional to 398,637,010.40, 597,955,515.60 and 395,949,624.80 is: 593,924,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,637,010.40 : 597,955,515.60 = 395,949,624.80 : x
  2. Step 2: Convert to fraction form
    398,637,010.40/597,955,515.60 = 395,949,624.80/x
  3. Step 3: Cross multiply
    398,637,010.40x = 597,955,515.60 × 395,949,624.80
  4. Step 4: Simplify right side
    398,637,010.40x = 236,760,262,048,910,560
  5. Step 5: Solve for x
    x = 236,760,262,048,910,560/398,637,010.40
  6. Step 6: Final answer
    x = 593,924,437.20

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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.