Home / 738,808,189.90-1,019,567,229.96-404,309,776.66

Finding the Fourth Proportional to 738,808,189.90, 1,019,567,229.96 and 404,309,776.66

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Solution

The fourth proportional to 738,808,189.90, 1,019,567,229.96 and 404,309,776.66 is: 557,954,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,808,189.90 : 1,019,567,229.96 = 404,309,776.66 : x
  2. Step 2: Convert to fraction form
    738,808,189.90/1,019,567,229.96 = 404,309,776.66/x
  3. Step 3: Cross multiply
    738,808,189.90x = 1,019,567,229.96 × 404,309,776.66
  4. Step 4: Simplify right side
    738,808,189.90x = 412,220,999,034,982,528
  5. Step 5: Solve for x
    x = 412,220,999,034,982,528/738,808,189.90
  6. Step 6: Final answer
    x = 557,954,019.28

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1.5x scale

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.