Home / 763,050,304.80-1,144,575,457.20-188,621,632.80

Finding the Fourth Proportional to 763,050,304.80, 1,144,575,457.20 and 188,621,632.80

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Solution

The fourth proportional to 763,050,304.80, 1,144,575,457.20 and 188,621,632.80 is: 282,932,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,050,304.80 : 1,144,575,457.20 = 188,621,632.80 : x
  2. Step 2: Convert to fraction form
    763,050,304.80/1,144,575,457.20 = 188,621,632.80/x
  3. Step 3: Cross multiply
    763,050,304.80x = 1,144,575,457.20 × 188,621,632.80
  4. Step 4: Simplify right side
    763,050,304.80x = 215,891,691,599,870,528
  5. Step 5: Solve for x
    x = 215,891,691,599,870,528/763,050,304.80
  6. Step 6: Final answer
    x = 282,932,449.20

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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.