Home / 976,218,891.45-1,347,265,153.80-552,907,854.36

Finding the Fourth Proportional to 976,218,891.45, 1,347,265,153.80 and 552,907,854.36

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Solution

The fourth proportional to 976,218,891.45, 1,347,265,153.80 and 552,907,854.36 is: 763,059,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,218,891.45 : 1,347,265,153.80 = 552,907,854.36 : x
  2. Step 2: Convert to fraction form
    976,218,891.45/1,347,265,153.80 = 552,907,854.36/x
  3. Step 3: Cross multiply
    976,218,891.45x = 1,347,265,153.80 × 552,907,854.36
  4. Step 4: Simplify right side
    976,218,891.45x = 744,913,485,441,553,408
  5. Step 5: Solve for x
    x = 744,913,485,441,553,408/976,218,891.45
  6. Step 6: Final answer
    x = 763,059,895.65

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Why These Related Problems?

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