Home / 398,636,999.40-597,955,499.10-395,949,613.80

Finding the Fourth Proportional to 398,636,999.40, 597,955,499.10 and 395,949,613.80

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Solution

The fourth proportional to 398,636,999.40, 597,955,499.10 and 395,949,613.80 is: 593,924,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,636,999.40 : 597,955,499.10 = 395,949,613.80 : x
  2. Step 2: Convert to fraction form
    398,636,999.40/597,955,499.10 = 395,949,613.80/x
  3. Step 3: Cross multiply
    398,636,999.40x = 597,955,499.10 × 395,949,613.80
  4. Step 4: Simplify right side
    398,636,999.40x = 236,760,248,938,231,264
  5. Step 5: Solve for x
    x = 236,760,248,938,231,264/398,636,999.40
  6. Step 6: Final answer
    x = 593,924,420.70

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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.