Home / 770,748,122.32-1,063,632,926.95-418,324,118.03

Finding the Fourth Proportional to 770,748,122.32, 1,063,632,926.95 and 418,324,118.03

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Solution

The fourth proportional to 770,748,122.32, 1,063,632,926.95 and 418,324,118.03 is: 577,287,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,748,122.32 : 1,063,632,926.95 = 418,324,118.03 : x
  2. Step 2: Convert to fraction form
    770,748,122.32/1,063,632,926.95 = 418,324,118.03/x
  3. Step 3: Cross multiply
    770,748,122.32x = 1,063,632,926.95 × 418,324,118.03
  4. Step 4: Simplify right side
    770,748,122.32x = 444,943,306,079,971,008
  5. Step 5: Solve for x
    x = 444,943,306,079,971,008/770,748,122.32
  6. Step 6: Final answer
    x = 577,287,564.12

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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.