Home / 479,547,903.80-719,321,855.70-324,579,708.20

Finding the Fourth Proportional to 479,547,903.80, 719,321,855.70 and 324,579,708.20

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Solution

The fourth proportional to 479,547,903.80, 719,321,855.70 and 324,579,708.20 is: 486,869,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,547,903.80 : 719,321,855.70 = 324,579,708.20 : x
  2. Step 2: Convert to fraction form
    479,547,903.80/719,321,855.70 = 324,579,708.20/x
  3. Step 3: Cross multiply
    479,547,903.80x = 719,321,855.70 × 324,579,708.20
  4. Step 4: Simplify right side
    479,547,903.80x = 233,477,278,024,988,512
  5. Step 5: Solve for x
    x = 233,477,278,024,988,512/479,547,903.80
  6. Step 6: Final answer
    x = 486,869,562.30

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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.