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Finding the Fourth Proportional to 569,759,279.40, 854,638,919.10 and 563,712,661.80

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Solution

The fourth proportional to 569,759,279.40, 854,638,919.10 and 563,712,661.80 is: 845,568,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,759,279.40 : 854,638,919.10 = 563,712,661.80 : x
  2. Step 2: Convert to fraction form
    569,759,279.40/854,638,919.10 = 563,712,661.80/x
  3. Step 3: Cross multiply
    569,759,279.40x = 854,638,919.10 × 563,712,661.80
  4. Step 4: Simplify right side
    569,759,279.40x = 481,770,779,963,735,808
  5. Step 5: Solve for x
    x = 481,770,779,963,735,808/569,759,279.40
  6. Step 6: Final answer
    x = 845,568,992.70

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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.