Home / 886,464,067.60-1,329,696,101.40-478,317,379.60

Finding the Fourth Proportional to 886,464,067.60, 1,329,696,101.40 and 478,317,379.60

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Solution

The fourth proportional to 886,464,067.60, 1,329,696,101.40 and 478,317,379.60 is: 717,476,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,067.60 : 1,329,696,101.40 = 478,317,379.60 : x
  2. Step 2: Convert to fraction form
    886,464,067.60/1,329,696,101.40 = 478,317,379.60/x
  3. Step 3: Cross multiply
    886,464,067.60x = 1,329,696,101.40 × 478,317,379.60
  4. Step 4: Simplify right side
    886,464,067.60x = 636,016,754,885,984,000
  5. Step 5: Solve for x
    x = 636,016,754,885,984,000/886,464,067.60
  6. Step 6: Final answer
    x = 717,476,069.40

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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.