Home / 399,226,041.60-598,839,062.40-393,851,270.40

Finding the Fourth Proportional to 399,226,041.60, 598,839,062.40 and 393,851,270.40

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Solution

The fourth proportional to 399,226,041.60, 598,839,062.40 and 393,851,270.40 is: 590,776,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,226,041.60 : 598,839,062.40 = 393,851,270.40 : x
  2. Step 2: Convert to fraction form
    399,226,041.60/598,839,062.40 = 393,851,270.40/x
  3. Step 3: Cross multiply
    399,226,041.60x = 598,839,062.40 × 393,851,270.40
  4. Step 4: Simplify right side
    399,226,041.60x = 235,853,525,491,384,864
  5. Step 5: Solve for x
    x = 235,853,525,491,384,864/399,226,041.60
  6. Step 6: Final answer
    x = 590,776,905.60

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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.