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Finding the Fourth Proportional to 336,993,363.60, 505,490,045.40 and 191,370,656.40

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Solution

The fourth proportional to 336,993,363.60, 505,490,045.40 and 191,370,656.40 is: 287,055,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,993,363.60 : 505,490,045.40 = 191,370,656.40 : x
  2. Step 2: Convert to fraction form
    336,993,363.60/505,490,045.40 = 191,370,656.40/x
  3. Step 3: Cross multiply
    336,993,363.60x = 505,490,045.40 × 191,370,656.40
  4. Step 4: Simplify right side
    336,993,363.60x = 96,735,961,791,863,792
  5. Step 5: Solve for x
    x = 96,735,961,791,863,792/336,993,363.60
  6. Step 6: Final answer
    x = 287,055,984.60

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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.