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Finding the Fourth Proportional to 655,686,854.29, 983,250,310.57 and 379,528,686.29

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Solution

The fourth proportional to 655,686,854.29, 983,250,310.57 and 379,528,686.29 is: 569,130,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,686,854.29 : 983,250,310.57 = 379,528,686.29 : x
  2. Step 2: Convert to fraction form
    655,686,854.29/983,250,310.57 = 379,528,686.29/x
  3. Step 3: Cross multiply
    655,686,854.29x = 983,250,310.57 × 379,528,686.29
  4. Step 4: Simplify right side
    655,686,854.29x = 373,171,698,662,986,816
  5. Step 5: Solve for x
    x = 373,171,698,662,986,816/655,686,854.29
  6. Step 6: Final answer
    x = 569,130,974.98

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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.