Home / 198,205,905.80-297,308,858.70-194,804,683.40

Finding the Fourth Proportional to 198,205,905.80, 297,308,858.70 and 194,804,683.40

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Solution

The fourth proportional to 198,205,905.80, 297,308,858.70 and 194,804,683.40 is: 292,207,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,205,905.80 : 297,308,858.70 = 194,804,683.40 : x
  2. Step 2: Convert to fraction form
    198,205,905.80/297,308,858.70 = 194,804,683.40/x
  3. Step 3: Cross multiply
    198,205,905.80x = 297,308,858.70 × 194,804,683.40
  4. Step 4: Simplify right side
    198,205,905.80x = 57,917,158,091,068,832
  5. Step 5: Solve for x
    x = 57,917,158,091,068,832/198,205,905.80
  6. Step 6: Final answer
    x = 292,207,025.10

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1.5x scale

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.