Home / 578,406,740.16-798,198,410.34-314,086,379.52

Finding the Fourth Proportional to 578,406,740.16, 798,198,410.34 and 314,086,379.52

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Solution

The fourth proportional to 578,406,740.16, 798,198,410.34 and 314,086,379.52 is: 433,437,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,406,740.16 : 798,198,410.34 = 314,086,379.52 : x
  2. Step 2: Convert to fraction form
    578,406,740.16/798,198,410.34 = 314,086,379.52/x
  3. Step 3: Cross multiply
    578,406,740.16x = 798,198,410.34 × 314,086,379.52
  4. Step 4: Simplify right side
    578,406,740.16x = 250,703,248,842,309,920
  5. Step 5: Solve for x
    x = 250,703,248,842,309,920/578,406,740.16
  6. Step 6: Final answer
    x = 433,437,633.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.