Home / 628,098,763.28-942,250,404.59-185,486,213.21

Finding the Fourth Proportional to 628,098,763.28, 942,250,404.59 and 185,486,213.21

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Solution

The fourth proportional to 628,098,763.28, 942,250,404.59 and 185,486,213.21 is: 278,259,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,098,763.28 : 942,250,404.59 = 185,486,213.21 : x
  2. Step 2: Convert to fraction form
    628,098,763.28/942,250,404.59 = 185,486,213.21/x
  3. Step 3: Cross multiply
    628,098,763.28x = 942,250,404.59 × 185,486,213.21
  4. Step 4: Simplify right side
    628,098,763.28x = 174,774,459,442,062,080
  5. Step 5: Solve for x
    x = 174,774,459,442,062,080/628,098,763.28
  6. Step 6: Final answer
    x = 278,259,518.50

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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.