Home / 1,010,079,619.88-1,393,513,272.42-586,621,195.88

Finding the Fourth Proportional to 1,010,079,619.88, 1,393,513,272.42 and 586,621,195.88

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Solution

The fourth proportional to 1,010,079,619.88, 1,393,513,272.42 and 586,621,195.88 is: 809,306,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,079,619.88 : 1,393,513,272.42 = 586,621,195.88 : x
  2. Step 2: Convert to fraction form
    1,010,079,619.88/1,393,513,272.42 = 586,621,195.88/x
  3. Step 3: Cross multiply
    1,010,079,619.88x = 1,393,513,272.42 × 586,621,195.88
  4. Step 4: Simplify right side
    1,010,079,619.88x = 817,464,422,341,672,704
  5. Step 5: Solve for x
    x = 817,464,422,341,672,704/1,010,079,619.88
  6. Step 6: Final answer
    x = 809,306,916.26

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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.