Home / 711,739,245.60-1,067,769,853.50-384,207,729

Finding the Fourth Proportional to 711,739,245.60, 1,067,769,853.50 and 384,207,729

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Solution

The fourth proportional to 711,739,245.60, 1,067,769,853.50 and 384,207,729 is: 576,398,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,739,245.60 : 1,067,769,853.50 = 384,207,729 : x
  2. Step 2: Convert to fraction form
    711,739,245.60/1,067,769,853.50 = 384,207,729/x
  3. Step 3: Cross multiply
    711,739,245.60x = 1,067,769,853.50 × 384,207,729
  4. Step 4: Simplify right side
    711,739,245.60x = 410,245,430,507,897,728
  5. Step 5: Solve for x
    x = 410,245,430,507,897,728/711,739,245.60
  6. Step 6: Final answer
    x = 576,398,495.72

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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.