Home / 980,253,567,456.84-1,469,953,315,194.90-520,687,668,127.32

Finding the Fourth Proportional to 980,253,567,456.84, 1,469,953,315,194.90 and 520,687,668,127.32

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Solution

The fourth proportional to 980,253,567,456.84, 1,469,953,315,194.90 and 520,687,668,127.32 is: 780,804,670,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,253,567,456.84 : 1,469,953,315,194.90 = 520,687,668,127.32 : x
  2. Step 2: Convert to fraction form
    980,253,567,456.84/1,469,953,315,194.90 = 520,687,668,127.32/x
  3. Step 3: Cross multiply
    980,253,567,456.84x = 1,469,953,315,194.90 × 520,687,668,127.32
  4. Step 4: Simplify right side
    980,253,567,456.84x = 765,386,563,944,855,870,898,176
  5. Step 5: Solve for x
    x = 765,386,563,944,855,870,898,176/980,253,567,456.84
  6. Step 6: Final answer
    x = 780,804,670,704.30

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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.