Home / 940,369,841.22-1,407,485,386.53-691,309,169.22

Finding the Fourth Proportional to 940,369,841.22, 1,407,485,386.53 and 691,309,169.22

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Solution

The fourth proportional to 940,369,841.22, 1,407,485,386.53 and 691,309,169.22 is: 1,034,707,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,369,841.22 : 1,407,485,386.53 = 691,309,169.22 : x
  2. Step 2: Convert to fraction form
    940,369,841.22/1,407,485,386.53 = 691,309,169.22/x
  3. Step 3: Cross multiply
    940,369,841.22x = 1,407,485,386.53 × 691,309,169.22
  4. Step 4: Simplify right side
    940,369,841.22x = 973,007,553,251,344,896
  5. Step 5: Solve for x
    x = 973,007,553,251,344,896/940,369,841.22
  6. Step 6: Final answer
    x = 1,034,707,314.72

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1.5x scale

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.