Home / 1,420,256,739,913.40-2,130,169,857,277.30-386,540,300,832.93

Finding the Fourth Proportional to 1,420,256,739,913.40, 2,130,169,857,277.30 and 386,540,300,832.93

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Solution

The fourth proportional to 1,420,256,739,913.40, 2,130,169,857,277.30 and 386,540,300,832.93 is: 579,751,867,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,256,739,913.40 : 2,130,169,857,277.30 = 386,540,300,832.93 : x
  2. Step 2: Convert to fraction form
    1,420,256,739,913.40/2,130,169,857,277.30 = 386,540,300,832.93/x
  3. Step 3: Cross multiply
    1,420,256,739,913.40x = 2,130,169,857,277.30 × 386,540,300,832.93
  4. Step 4: Simplify right side
    1,420,256,739,913.40x = 823,396,497,457,207,046,045,696
  5. Step 5: Solve for x
    x = 823,396,497,457,207,046,045,696/1,420,256,739,913.40
  6. Step 6: Final answer
    x = 579,751,867,614.73

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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.