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Finding the Fourth Proportional to 937,997,555.84, 1,407,008,308 and 247,898,847.50

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Solution

The fourth proportional to 937,997,555.84, 1,407,008,308 and 247,898,847.50 is: 371,851,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,997,555.84 : 1,407,008,308 = 247,898,847.50 : x
  2. Step 2: Convert to fraction form
    937,997,555.84/1,407,008,308 = 247,898,847.50/x
  3. Step 3: Cross multiply
    937,997,555.84x = 1,407,008,308 × 247,898,847.50
  4. Step 4: Simplify right side
    937,997,555.84x = 348,795,737,976,125,056
  5. Step 5: Solve for x
    x = 348,795,737,976,125,056/937,997,555.84
  6. Step 6: Final answer
    x = 371,851,435.86

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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.