Home / 976,736,982.40-1,465,105,473.60-363,194,252.80

Finding the Fourth Proportional to 976,736,982.40, 1,465,105,473.60 and 363,194,252.80

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Solution

The fourth proportional to 976,736,982.40, 1,465,105,473.60 and 363,194,252.80 is: 544,791,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,736,982.40 : 1,465,105,473.60 = 363,194,252.80 : x
  2. Step 2: Convert to fraction form
    976,736,982.40/1,465,105,473.60 = 363,194,252.80/x
  3. Step 3: Cross multiply
    976,736,982.40x = 1,465,105,473.60 × 363,194,252.80
  4. Step 4: Simplify right side
    976,736,982.40x = 532,117,887,757,342,080
  5. Step 5: Solve for x
    x = 532,117,887,757,342,080/976,736,982.40
  6. Step 6: Final answer
    x = 544,791,379.20

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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.