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Finding the Fourth Proportional to 619,700,739, 855,187,019.82 and 341,241,599.04

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Solution

The fourth proportional to 619,700,739, 855,187,019.82 and 341,241,599.04 is: 470,913,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,700,739 : 855,187,019.82 = 341,241,599.04 : x
  2. Step 2: Convert to fraction form
    619,700,739/855,187,019.82 = 341,241,599.04/x
  3. Step 3: Cross multiply
    619,700,739x = 855,187,019.82 × 341,241,599.04
  4. Step 4: Simplify right side
    619,700,739x = 291,825,386,121,628,992
  5. Step 5: Solve for x
    x = 291,825,386,121,628,992/619,700,739
  6. Step 6: Final answer
    x = 470,913,406.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.