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Finding the Fourth Proportional to 577,460,018.20, 866,402,603.70 and 189,295,511.80

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Solution

The fourth proportional to 577,460,018.20, 866,402,603.70 and 189,295,511.80 is: 284,012,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,460,018.20 : 866,402,603.70 = 189,295,511.80 : x
  2. Step 2: Convert to fraction form
    577,460,018.20/866,402,603.70 = 189,295,511.80/x
  3. Step 3: Cross multiply
    577,460,018.20x = 866,402,603.70 × 189,295,511.80
  4. Step 4: Simplify right side
    577,460,018.20x = 164,006,124,292,244,096
  5. Step 5: Solve for x
    x = 164,006,124,292,244,096/577,460,018.20
  6. Step 6: Final answer
    x = 284,012,951.76

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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.