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Finding the Fourth Proportional to 559,874,019.40, 839,811,029.10 and 547,930,083.40

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Solution

The fourth proportional to 559,874,019.40, 839,811,029.10 and 547,930,083.40 is: 821,895,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,874,019.40 : 839,811,029.10 = 547,930,083.40 : x
  2. Step 2: Convert to fraction form
    559,874,019.40/839,811,029.10 = 547,930,083.40/x
  3. Step 3: Cross multiply
    559,874,019.40x = 839,811,029.10 × 547,930,083.40
  4. Step 4: Simplify right side
    559,874,019.40x = 460,157,727,215,002,816
  5. Step 5: Solve for x
    x = 460,157,727,215,002,816/559,874,019.40
  6. Step 6: Final answer
    x = 821,895,125.10

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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.