Home / 353,280,407,301.10-530,074,748,069.78-123,712,510,561.43

Finding the Fourth Proportional to 353,280,407,301.10, 530,074,748,069.78 and 123,712,510,561.43

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Solution

The fourth proportional to 353,280,407,301.10, 530,074,748,069.78 and 123,712,510,561.43 is: 185,622,741,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,280,407,301.10 : 530,074,748,069.78 = 123,712,510,561.43 : x
  2. Step 2: Convert to fraction form
    353,280,407,301.10/530,074,748,069.78 = 123,712,510,561.43/x
  3. Step 3: Cross multiply
    353,280,407,301.10x = 530,074,748,069.78 × 123,712,510,561.43
  4. Step 4: Simplify right side
    353,280,407,301.10x = 65,576,877,868,930,006,253,568
  5. Step 5: Solve for x
    x = 65,576,877,868,930,006,253,568/353,280,407,301.10
  6. Step 6: Final answer
    x = 185,622,741,917.41

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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.