Home / 498,589,350.21-688,088,928.65-275,566,234.41

Finding the Fourth Proportional to 498,589,350.21, 688,088,928.65 and 275,566,234.41

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Solution

The fourth proportional to 498,589,350.21, 688,088,928.65 and 275,566,234.41 is: 380,301,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,589,350.21 : 688,088,928.65 = 275,566,234.41 : x
  2. Step 2: Convert to fraction form
    498,589,350.21/688,088,928.65 = 275,566,234.41/x
  3. Step 3: Cross multiply
    498,589,350.21x = 688,088,928.65 × 275,566,234.41
  4. Step 4: Simplify right side
    498,589,350.21x = 189,614,075,005,913,856
  5. Step 5: Solve for x
    x = 189,614,075,005,913,856/498,589,350.21
  6. Step 6: Final answer
    x = 380,301,093.33

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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.