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Finding the Fourth Proportional to 564,899,878.40, 847,349,817.60 and 201,406,092.80

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Solution

The fourth proportional to 564,899,878.40, 847,349,817.60 and 201,406,092.80 is: 302,109,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,899,878.40 : 847,349,817.60 = 201,406,092.80 : x
  2. Step 2: Convert to fraction form
    564,899,878.40/847,349,817.60 = 201,406,092.80/x
  3. Step 3: Cross multiply
    564,899,878.40x = 847,349,817.60 × 201,406,092.80
  4. Step 4: Simplify right side
    564,899,878.40x = 170,661,415,997,608,704
  5. Step 5: Solve for x
    x = 170,661,415,997,608,704/564,899,878.40
  6. Step 6: Final answer
    x = 302,109,139.20

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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.