Home / 399,300,531-598,949,993.30-375,001,838.38

Finding the Fourth Proportional to 399,300,531, 598,949,993.30 and 375,001,838.38

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Solution

The fourth proportional to 399,300,531, 598,949,993.30 and 375,001,838.38 is: 562,502,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,300,531 : 598,949,993.30 = 375,001,838.38 : x
  2. Step 2: Convert to fraction form
    399,300,531/598,949,993.30 = 375,001,838.38/x
  3. Step 3: Cross multiply
    399,300,531x = 598,949,993.30 × 375,001,838.38
  4. Step 4: Simplify right side
    399,300,531x = 224,607,348,585,188,672
  5. Step 5: Solve for x
    x = 224,607,348,585,188,672/399,300,531
  6. Step 6: Final answer
    x = 562,502,003.25

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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.