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Finding the Fourth Proportional to 545,761,569.60, 818,642,354.40 and 157,597,063.20

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Solution

The fourth proportional to 545,761,569.60, 818,642,354.40 and 157,597,063.20 is: 236,395,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,761,569.60 : 818,642,354.40 = 157,597,063.20 : x
  2. Step 2: Convert to fraction form
    545,761,569.60/818,642,354.40 = 157,597,063.20/x
  3. Step 3: Cross multiply
    545,761,569.60x = 818,642,354.40 × 157,597,063.20
  4. Step 4: Simplify right side
    545,761,569.60x = 129,015,630,864,573,584
  5. Step 5: Solve for x
    x = 129,015,630,864,573,584/545,761,569.60
  6. Step 6: Final answer
    x = 236,395,594.80

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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.