Home / 1,229,678,977,850-1,697,010,332,020.70-680,970,282,783.05

Finding the Fourth Proportional to 1,229,678,977,850, 1,697,010,332,020.70 and 680,970,282,783.05

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Solution

The fourth proportional to 1,229,678,977,850, 1,697,010,332,020.70 and 680,970,282,783.05 is: 939,768,530,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,678,977,850 : 1,697,010,332,020.70 = 680,970,282,783.05 : x
  2. Step 2: Convert to fraction form
    1,229,678,977,850/1,697,010,332,020.70 = 680,970,282,783.05/x
  3. Step 3: Cross multiply
    1,229,678,977,850x = 1,697,010,332,020.70 × 680,970,282,783.05
  4. Step 4: Simplify right side
    1,229,678,977,850x = 1,155,613,605,681,893,713,379,328
  5. Step 5: Solve for x
    x = 1,155,613,605,681,893,713,379,328/1,229,678,977,850
  6. Step 6: Final answer
    x = 939,768,530,240.63

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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.