Home / 198,993,490,200.90-298,490,235,301.35-87,416,389,368.90

Finding the Fourth Proportional to 198,993,490,200.90, 298,490,235,301.35 and 87,416,389,368.90

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Solution

The fourth proportional to 198,993,490,200.90, 298,490,235,301.35 and 87,416,389,368.90 is: 131,124,584,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,993,490,200.90 : 298,490,235,301.35 = 87,416,389,368.90 : x
  2. Step 2: Convert to fraction form
    198,993,490,200.90/298,490,235,301.35 = 87,416,389,368.90/x
  3. Step 3: Cross multiply
    198,993,490,200.90x = 298,490,235,301.35 × 87,416,389,368.90
  4. Step 4: Simplify right side
    198,993,490,200.90x = 26,092,938,631,917,388,955,648
  5. Step 5: Solve for x
    x = 26,092,938,631,917,388,955,648/198,993,490,200.90
  6. Step 6: Final answer
    x = 131,124,584,053.35

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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.