Home / 410,197,649.40-615,296,474.10-395,864,926.20

Finding the Fourth Proportional to 410,197,649.40, 615,296,474.10 and 395,864,926.20

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Solution

The fourth proportional to 410,197,649.40, 615,296,474.10 and 395,864,926.20 is: 593,797,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,197,649.40 : 615,296,474.10 = 395,864,926.20 : x
  2. Step 2: Convert to fraction form
    410,197,649.40/615,296,474.10 = 395,864,926.20/x
  3. Step 3: Cross multiply
    410,197,649.40x = 615,296,474.10 × 395,864,926.20
  4. Step 4: Simplify right side
    410,197,649.40x = 243,574,293,310,716,704
  5. Step 5: Solve for x
    x = 243,574,293,310,716,704/410,197,649.40
  6. Step 6: Final answer
    x = 593,797,389.30

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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.