Home / 479,547,946.80-719,321,920.20-324,579,751.20

Finding the Fourth Proportional to 479,547,946.80, 719,321,920.20 and 324,579,751.20

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Solution

The fourth proportional to 479,547,946.80, 719,321,920.20 and 324,579,751.20 is: 486,869,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,547,946.80 : 719,321,920.20 = 324,579,751.20 : x
  2. Step 2: Convert to fraction form
    479,547,946.80/719,321,920.20 = 324,579,751.20/x
  3. Step 3: Cross multiply
    479,547,946.80x = 719,321,920.20 × 324,579,751.20
  4. Step 4: Simplify right side
    479,547,946.80x = 233,477,329,891,222,272
  5. Step 5: Solve for x
    x = 233,477,329,891,222,272/479,547,946.80
  6. Step 6: Final answer
    x = 486,869,626.80

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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.