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Finding the Fourth Proportional to 668,818,503,564.70, 1,003,227,755,347.10 and 668,818,503,564.70

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Solution

The fourth proportional to 668,818,503,564.70, 1,003,227,755,347.10 and 668,818,503,564.70 is: 1,003,227,755,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,818,503,564.70 : 1,003,227,755,347.10 = 668,818,503,564.70 : x
  2. Step 2: Convert to fraction form
    668,818,503,564.70/1,003,227,755,347.10 = 668,818,503,564.70/x
  3. Step 3: Cross multiply
    668,818,503,564.70x = 1,003,227,755,347.10 × 668,818,503,564.70
  4. Step 4: Simplify right side
    668,818,503,564.70x = 670,977,286,065,820,354,478,080
  5. Step 5: Solve for x
    x = 670,977,286,065,820,354,478,080/668,818,503,564.70
  6. Step 6: Final answer
    x = 1,003,227,755,347.10

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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.