Home / 1,207,954,207.08-1,666,950,669-699,338,365.92

Finding the Fourth Proportional to 1,207,954,207.08, 1,666,950,669 and 699,338,365.92

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Solution

The fourth proportional to 1,207,954,207.08, 1,666,950,669 and 699,338,365.92 is: 965,071,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,954,207.08 : 1,666,950,669 = 699,338,365.92 : x
  2. Step 2: Convert to fraction form
    1,207,954,207.08/1,666,950,669 = 699,338,365.92/x
  3. Step 3: Cross multiply
    1,207,954,207.08x = 1,666,950,669 × 699,338,365.92
  4. Step 4: Simplify right side
    1,207,954,207.08x = 1,165,762,556,927,710,720
  5. Step 5: Solve for x
    x = 1,165,762,556,927,710,720/1,207,954,207.08
  6. Step 6: Final answer
    x = 965,071,813.23

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1.5x scale

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.