Home / 398,731,437.80-597,672,003.90-152,993,119.40

Finding the Fourth Proportional to 398,731,437.80, 597,672,003.90 and 152,993,119.40

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Solution

The fourth proportional to 398,731,437.80, 597,672,003.90 and 152,993,119.40 is: 229,326,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,731,437.80 : 597,672,003.90 = 152,993,119.40 : x
  2. Step 2: Convert to fraction form
    398,731,437.80/597,672,003.90 = 152,993,119.40/x
  3. Step 3: Cross multiply
    398,731,437.80x = 597,672,003.90 × 152,993,119.40
  4. Step 4: Simplify right side
    398,731,437.80x = 91,439,704,254,709,968
  5. Step 5: Solve for x
    x = 91,439,704,254,709,968/398,731,437.80
  6. Step 6: Final answer
    x = 229,326,548.11

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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.