Home / 1,010,079,620.88-1,393,513,273.80-586,621,196.88

Finding the Fourth Proportional to 1,010,079,620.88, 1,393,513,273.80 and 586,621,196.88

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Solution

The fourth proportional to 1,010,079,620.88, 1,393,513,273.80 and 586,621,196.88 is: 809,306,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,079,620.88 : 1,393,513,273.80 = 586,621,196.88 : x
  2. Step 2: Convert to fraction form
    1,010,079,620.88/1,393,513,273.80 = 586,621,196.88/x
  3. Step 3: Cross multiply
    1,010,079,620.88x = 1,393,513,273.80 × 586,621,196.88
  4. Step 4: Simplify right side
    1,010,079,620.88x = 817,464,424,544,723,072
  5. Step 5: Solve for x
    x = 817,464,424,544,723,072/1,010,079,620.88
  6. Step 6: Final answer
    x = 809,306,917.64

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Half scale
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Double scale
Find fourth proportional to 1,010,079,621.88, 1,393,513,275.18 and 586,621,197.88
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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.