Home / 397,290,196.80-595,960,485.12-124,671,723.84

Finding the Fourth Proportional to 397,290,196.80, 595,960,485.12 and 124,671,723.84

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Solution

The fourth proportional to 397,290,196.80, 595,960,485.12 and 124,671,723.84 is: 187,015,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,290,196.80 : 595,960,485.12 = 124,671,723.84 : x
  2. Step 2: Convert to fraction form
    397,290,196.80/595,960,485.12 = 124,671,723.84/x
  3. Step 3: Cross multiply
    397,290,196.80x = 595,960,485.12 × 124,671,723.84
  4. Step 4: Simplify right side
    397,290,196.80x = 74,299,421,020,433,072
  5. Step 5: Solve for x
    x = 74,299,421,020,433,072/397,290,196.80
  6. Step 6: Final answer
    x = 187,015,490.49

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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.