Home / 960,421,661.22-1,325,279,856.05-531,190,742.84

Finding the Fourth Proportional to 960,421,661.22, 1,325,279,856.05 and 531,190,742.84

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Solution

The fourth proportional to 960,421,661.22, 1,325,279,856.05 and 531,190,742.84 is: 732,986,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,421,661.22 : 1,325,279,856.05 = 531,190,742.84 : x
  2. Step 2: Convert to fraction form
    960,421,661.22/1,325,279,856.05 = 531,190,742.84/x
  3. Step 3: Cross multiply
    960,421,661.22x = 1,325,279,856.05 × 531,190,742.84
  4. Step 4: Simplify right side
    960,421,661.22x = 703,976,391,212,361,088
  5. Step 5: Solve for x
    x = 703,976,391,212,361,088/960,421,661.22
  6. Step 6: Final answer
    x = 732,986,790.74

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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.