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Finding the Fourth Proportional to 1,786,359,306.74, 2,679,093,465.71 and 525,572,544.06

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Solution

The fourth proportional to 1,786,359,306.74, 2,679,093,465.71 and 525,572,544.06 is: 788,227,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,359,306.74 : 2,679,093,465.71 = 525,572,544.06 : x
  2. Step 2: Convert to fraction form
    1,786,359,306.74/2,679,093,465.71 = 525,572,544.06/x
  3. Step 3: Cross multiply
    1,786,359,306.74x = 2,679,093,465.71 × 525,572,544.06
  4. Step 4: Simplify right side
    1,786,359,306.74x = 1,408,057,968,545,099,264
  5. Step 5: Solve for x
    x = 1,408,057,968,545,099,264/1,786,359,306.74
  6. Step 6: Final answer
    x = 788,227,745.24

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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.