Home / 765,796,823,415.72-1,056,797,050,635.70-418,566,901,195.80

Finding the Fourth Proportional to 765,796,823,415.72, 1,056,797,050,635.70 and 418,566,901,195.80

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Solution

The fourth proportional to 765,796,823,415.72, 1,056,797,050,635.70 and 418,566,901,195.80 is: 577,620,921,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,796,823,415.72 : 1,056,797,050,635.70 = 418,566,901,195.80 : x
  2. Step 2: Convert to fraction form
    765,796,823,415.72/1,056,797,050,635.70 = 418,566,901,195.80/x
  3. Step 3: Cross multiply
    765,796,823,415.72x = 1,056,797,050,635.70 × 418,566,901,195.80
  4. Step 4: Simplify right side
    765,796,823,415.72x = 442,340,266,677,445,874,155,520
  5. Step 5: Solve for x
    x = 442,340,266,677,445,874,155,520/765,796,823,415.72
  6. Step 6: Final answer
    x = 577,620,921,309.72

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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.