Home / 628,471,748.40-942,649,457.04-296,402,616.96

Finding the Fourth Proportional to 628,471,748.40, 942,649,457.04 and 296,402,616.96

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Solution

The fourth proportional to 628,471,748.40, 942,649,457.04 and 296,402,616.96 is: 444,576,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,471,748.40 : 942,649,457.04 = 296,402,616.96 : x
  2. Step 2: Convert to fraction form
    628,471,748.40/942,649,457.04 = 296,402,616.96/x
  3. Step 3: Cross multiply
    628,471,748.40x = 942,649,457.04 × 296,402,616.96
  4. Step 4: Simplify right side
    628,471,748.40x = 279,403,765,942,579,072
  5. Step 5: Solve for x
    x = 279,403,765,942,579,072/628,471,748.40
  6. Step 6: Final answer
    x = 444,576,493.14

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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.