Home / 298,956,330.40-448,434,495.60-222,428,826.40

Finding the Fourth Proportional to 298,956,330.40, 448,434,495.60 and 222,428,826.40

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Solution

The fourth proportional to 298,956,330.40, 448,434,495.60 and 222,428,826.40 is: 333,643,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,956,330.40 : 448,434,495.60 = 222,428,826.40 : x
  2. Step 2: Convert to fraction form
    298,956,330.40/448,434,495.60 = 222,428,826.40/x
  3. Step 3: Cross multiply
    298,956,330.40x = 448,434,495.60 × 222,428,826.40
  4. Step 4: Simplify right side
    298,956,330.40x = 99,744,758,573,583,968
  5. Step 5: Solve for x
    x = 99,744,758,573,583,968/298,956,330.40
  6. Step 6: Final answer
    x = 333,643,239.60

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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.