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Finding the Fourth Proportional to 544,347,614.40, 816,521,421.60 and 180,841,970.40

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Solution

The fourth proportional to 544,347,614.40, 816,521,421.60 and 180,841,970.40 is: 271,262,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,347,614.40 : 816,521,421.60 = 180,841,970.40 : x
  2. Step 2: Convert to fraction form
    544,347,614.40/816,521,421.60 = 180,841,970.40/x
  3. Step 3: Cross multiply
    544,347,614.40x = 816,521,421.60 × 180,841,970.40
  4. Step 4: Simplify right side
    544,347,614.40x = 147,661,342,755,953,120
  5. Step 5: Solve for x
    x = 147,661,342,755,953,120/544,347,614.40
  6. Step 6: Final answer
    x = 271,262,955.60

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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.