Home / 398,347,564.80-597,521,347.20-362,634,729.60

Finding the Fourth Proportional to 398,347,564.80, 597,521,347.20 and 362,634,729.60

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Solution

The fourth proportional to 398,347,564.80, 597,521,347.20 and 362,634,729.60 is: 543,952,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,347,564.80 : 597,521,347.20 = 362,634,729.60 : x
  2. Step 2: Convert to fraction form
    398,347,564.80/597,521,347.20 = 362,634,729.60/x
  3. Step 3: Cross multiply
    398,347,564.80x = 597,521,347.20 × 362,634,729.60
  4. Step 4: Simplify right side
    398,347,564.80x = 216,681,992,172,099,744
  5. Step 5: Solve for x
    x = 216,681,992,172,099,744/398,347,564.80
  6. Step 6: Final answer
    x = 543,952,094.40

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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.