Home / 1,207,953,558.39-1,666,949,782.88-699,337,720.31

Finding the Fourth Proportional to 1,207,953,558.39, 1,666,949,782.88 and 699,337,720.31

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Solution

The fourth proportional to 1,207,953,558.39, 1,666,949,782.88 and 699,337,720.31 is: 965,070,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,953,558.39 : 1,666,949,782.88 = 699,337,720.31 : x
  2. Step 2: Convert to fraction form
    1,207,953,558.39/1,666,949,782.88 = 699,337,720.31/x
  3. Step 3: Cross multiply
    1,207,953,558.39x = 1,666,949,782.88 × 699,337,720.31
  4. Step 4: Simplify right side
    1,207,953,558.39x = 1,165,760,861,030,548,736
  5. Step 5: Solve for x
    x = 1,165,760,861,030,548,736/1,207,953,558.39
  6. Step 6: Final answer
    x = 965,070,927.55

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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.