Home / 398,230,602.40-597,345,903.60-357,415,933.60

Finding the Fourth Proportional to 398,230,602.40, 597,345,903.60 and 357,415,933.60

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Solution

The fourth proportional to 398,230,602.40, 597,345,903.60 and 357,415,933.60 is: 536,123,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,230,602.40 : 597,345,903.60 = 357,415,933.60 : x
  2. Step 2: Convert to fraction form
    398,230,602.40/597,345,903.60 = 357,415,933.60/x
  3. Step 3: Cross multiply
    398,230,602.40x = 597,345,903.60 × 357,415,933.60
  4. Step 4: Simplify right side
    398,230,602.40x = 213,500,943,817,329,632
  5. Step 5: Solve for x
    x = 213,500,943,817,329,632/398,230,602.40
  6. Step 6: Final answer
    x = 536,123,900.40

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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.