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Finding the Fourth Proportional to 661,597,347.84, 992,395,956.48 and 176,910,558.72

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Solution

The fourth proportional to 661,597,347.84, 992,395,956.48 and 176,910,558.72 is: 265,365,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,597,347.84 : 992,395,956.48 = 176,910,558.72 : x
  2. Step 2: Convert to fraction form
    661,597,347.84/992,395,956.48 = 176,910,558.72/x
  3. Step 3: Cross multiply
    661,597,347.84x = 992,395,956.48 × 176,910,558.72
  4. Step 4: Simplify right side
    661,597,347.84x = 175,565,323,132,345,600
  5. Step 5: Solve for x
    x = 175,565,323,132,345,600/661,597,347.84
  6. Step 6: Final answer
    x = 265,365,820.62

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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.